BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F80 M3 S55 3.0L

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Milltek Performance Sport Cat Back - F80/F82 M3/M4
Milltek Performance Sport Cat Back - F80/F82 M3/M4
Milltek Sport - Corporate Logo
T#:6476053
Part#: F8XSPORT
Ships in 5 Business Days
Sale - Save 10% $ 2,967.99

This product was last offered at the strikethrough price on
09-18-2026

Starting at $ 2,670.40 USD
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$ 2,967.99

This product was last offered at the strikethrough price on
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Starting at $ 2,670.40 USD
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Deciding on the right exhaust should include a blend of considerations: performance, quality, note, and style. The Milltek performance catback is a fantastic blend of these considerations. The performance and quality are top tier, with a note that is quite balanced. The system is constructed from aircraft-grade stainless steel that is beautiful to look at. These features and characteristics make the Milltek performance catback a great option.
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Equal Length Exhaust Upgrade Kit
Equal Length Exhaust Upgrade Kit
Milltek Sport - Corporate Logo
T#:35391005
Part#: SSXBM1145
Ships in 5 Business Days
Sale - Save 10% $ 740.99

This product was last offered at the strikethrough price on
09-18-2026

$ 666.40 USD
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$ 740.99

This product was last offered at the strikethrough price on
09-18-2026

$ 666.40 USD
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Milltek's Cat-Back systems are meticulously engineered for those looking to improve both the sound and appearance of their vehicle. Designed as direct replacements for the factory exhaust, these systems come in a range of configurations, giving owners the flexibility to adjust the exhaust volume and achieve a more aggressive tone that fits their style. Made from high-quality 304L Aircraft Grade stainless steel, Milltek’s Cat-Back systems are built to endure the toughest conditions, ensuring exceptional durability and long-lasting performance.
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Milltek Performance Race Cat Back - F80/F82 M3/M4
Milltek Performance Race Cat Back - F80/F82 M3/M4
Milltek Sport - Corporate Logo
T#:6476048
Part#: F8XRACE
Ships in 5 Business Days
Sale - Save 10% $ 2,971.99

This product was last offered at the strikethrough price on
09-18-2026

Starting at $ 2,674.25 USD
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$ 2,971.99

This product was last offered at the strikethrough price on
09-18-2026

Starting at $ 2,674.25 USD
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Deciding on the right exhaust should include a blend of considerations: performance, quality, note, and style. The Milltek performance catback is a fantastic blend of these considerations. The performance and quality are top tier, with a note that is quite balanced. The system is constructed from aircraft-grade stainless steel that is beautiful to look at. These features and characteristics make the Milltek performance catback a great option.
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ACTIVE VALVE CONTROL
ACTIVE VALVE CONTROL
Milltek Sport - Corporate Logo
T#:35390991
Part#: SSXBM1234
In Stock
Sale - Save 10% $ 455.99

This product was last offered at the strikethrough price on
09-18-2026

$ 410.24 USD
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$ 455.99

This product was last offered at the strikethrough price on
09-18-2026

$ 410.24 USD
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Milltek Sport's Active Valve Control (AVC) provides advanced exhaust management for vehicles equipped with factory valves as well as Milltek's performance exhaust systems with valve control upgrades. With seamless integration, AVC offers drivers the ability to control the opening and closing of exhaust valves, allowing precise tuning of sound and volume to match their preferences. For selected models, AVC includes optional app control via iPhone or Android devices, putting exhaust customization at the driver’s fingertips. Utilizing full CAN BUS integration with built-in safety protocols, the system ensures reliable operation while delivering complete control over the exhaust's acoustic performance.
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Dinan Heavy Duty Exhaust Band Clamp - 2.75" (70mm)
Dinan Heavy Duty Exhaust Band Clamp - 2.75" (70mm)
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:38688901
Part#: D662-9228
In Stock
8% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
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8% off MSRP
$ 23.99

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$ 21.99 USD
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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 70mm (2.75") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.
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Dinan Sport Axle-Back Exhaust - Black Tips - F8X M3/M4
Dinan Sport Axle-Back Exhaust - Black Tips - F8X M3/M4
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:389155
Part#: D660-0050-BLK
In Stock
11% off MSRP $ 2,699.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,399.99 USD
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11% off MSRP
$ 2,699.99

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$ 2,399.99 USD
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Dinan sport mufflers are designed to compliment the M3/M4 and not overpower the driver and passengers with harsh tones. Dinan engineers their exhausts to sound great and be a natural fit to the character of the car as well as produce more power and torque. Four 3.5" stainless tips engraved with the Dinan logo fill out the rear valence (choose either polished or satin black tips). Annoying highway drone has also been engineered out of the system. Dinan uses only 304 stainless steel in their systems for the maximum corrosion protection. This system replaces the factory rear mufflers at a pre-determined cut point on the stock exhaust, which makes for an easy installation and you can reinstall your original mufflers using factory hardware. Detailed installation instructions are included. Features of the F8X M3/M4 Dinan Exhaust - Dinan Tuned Resonance Chamber Technology High-flow exhaust valves reduce drone & improve flow at wide open throttle Weight savings over the stock system Reuses factory valve actuators Preserves original M-Drive controls for exhaust flap For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere. This setup is worth 3 point towards your Dinan badge. This item fits the following BMWs: 2015+ F80 BMW M3 - Sedan 2015+ F82 F83 BMW M4 - Coupe, Convertible
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Dinan F8X M3/M4 Dinan Sport Axle-Back Exhaust
Dinan F8X M3/M4 Dinan Sport Axle-Back Exhaust
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:389156
Part#: F8XM3M4-D660
Back Ordered
Starting at $ 2,349.99 USD
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Starting at $ 2,349.99 USD
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Dinan sport mufflers are designed to compliment the M3/M4 and not overpower the driver and passengers with harsh tones. Dinan engineers their exhausts to sound great and be a natural fit to the character of the car as well as produce more power and torque. Four 3.5" stainless tips engraved with the Dinan logo fill out the rear valence (choose either polished or satin black tips). Annoying highway drone has also been engineered out of the system. Dinan uses only 304 stainless steel in their systems for the maximum corrosion protection. This system replaces the factory rear mufflers at a pre-determined cut point on the stock exhaust, which makes for an easy installation and you can reinstall your original mufflers using factory hardware. Detailed installation instructions are included.
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F8X M3/M4 Dinan Sport Axle-Back Exhaust - Polished Tips
F8X M3/M4 Dinan Sport Axle-Back Exhaust - Polished Tips
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:389154
Part#: D660-0050
Back Ordered
11% off MSRP $ 2,643.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,349.99 USD
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11% off MSRP
$ 2,643.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,349.99 USD
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Elevate your BMW's performance with the Dinan Free Flow stainless exhaust, designed to reduce backpressure and increase flow, resulting in up to 5 horsepower gain. Crafted from durable 20-gauge 304 stainless steel, this exhaust system boasts 3.5" polished tips and Dinan's Tuned Resonance Chamber Technology for a pleasant yet aggressive tone, remaining civil under normal driving conditions.

Key Features:

  • Max gain of 5 horsepower
  • Durable 20-gauge 304 stainless steel muffler
  • 3.5" polished tips
  • Dinan's Tuned Resonance Chamber Technology for a pleasant tone
  • High-flow exhaust valves reduce drone & improve flow
  • Weight savings compared to stock system
  • Worth 3 points toward your Dinan badge

For over 35 years, Dinan has been a leading BMW tuning company, focusing on balanced performance that preserves the original driving feel. Backed by a four-year, 50,000-mile warranty, Dinan ensures quality, carefully developed, and tested products.

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Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)
Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:38688902
Part#: D662-9237
Special Order: No Guaranteed ETA
8% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
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8% off MSRP
$ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 76mm (3") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.
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Dinan Dual Exhaust Valve Remote Kit - F8X M2/M3/M4, F9X M5 M8 X3/X4/X5/X6 M, Most G-Chassis 50i Series
Dinan Dual Exhaust Valve Remote Kit - F8X M2/M3/M4, F9X M5 M8 X3/X4/X...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:641858
Part#: R660-0002
Ships in 5 Business Days
11% off MSRP $ 393.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 349.99 USD
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11% off MSRP
$ 393.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 349.99 USD
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The Dinan Dual Exhaust Valve Remote Kit lets you override the factory exhaust valve operation and fully open (or close) the valve at the press of a button. Directly compatible with 'F' and 'G' chassis BMW's using dual electronic valves, the Dinan Dual Exhaust Valve Remote Kit is robust in its potential applications. Once installed simply press the top button of the supplied wireless remote to open the valves fully and enjoy maximum aural pleasure. Alternatively, when the need arises for the exhaust to be as quiet as possible, press the bottom button on the remote and the valves will close. This system works with both the factory exhaust and any aftermarket system that utilizes the factory electronic exhaust valve actuator. Tested and compatible valve actuators include BMW P/N's: 18307851568, 18308686640, 18308632154, and 18308623424 Features: Opens the factory electronic exhaust valves with the push of a button. Wirelessly remote controlled. Weatherproof housing. Extra length wiring harnesses for maximum application and routing versatility.
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Large Bore Downpipes And Hi-Flow Sports Cats - F80/F82
Large Bore Downpipes And Hi-Flow Sports Cats - F80/F82
For Vehicles Produced before 01/19
Milltek Sport - Corporate Logo
T#:593554
Part#: SSXBM1030
Ships in 5 Business Days
Sale - Save 10% $ 3,596.99

This product was last offered at the strikethrough price on
09-18-2026

$ 3,236.64 USD
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$ 3,596.99

This product was last offered at the strikethrough price on
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$ 3,236.64 USD
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With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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Hi-Flow Sports Catted Downpipes - F80/F82
Hi-Flow Sports Catted Downpipes - F80/F82
For Vehicles Produced after 12/18
Requires Milltek Catback Exhaust
Milltek Sport - Corporate Logo
T#:593561
Part#: SSXBM1127
Ships in 5 Business Days
Sale - Save 10% $ 2,584.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,325.65 USD
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Sale - Save 10%
$ 2,584.99

This product was last offered at the strikethrough price on
09-18-2026

$ 2,325.65 USD
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With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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High Flow X-Pipe for the BMW F8x M3 / M4
High Flow X-Pipe for the BMW F8x M3 / M4
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:584995
Part#: D660-0060
Back Ordered
11% off MSRP $ 1,318.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,171.99 USD
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11% off MSRP
$ 1,318.99

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$ 1,171.99 USD
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Get that aggressive tone fitting for the M3 and M4! The Dinan High Flow X-pipe for the F80/F82 M3/M4 elicits an aggressive sound that is sure to capture the ear of all bystanders and delivers the aural recognition that all M3/M4 owners deserve. Coupled with the associated Dinan exhaust the sound is further perfected into an aggressive growl that harkens back to the Dinan E9x M3 racing middle exhaust. Rightly so, as the same custom 'X' that was used in that application is implemented on the new F8x chassis for that perfect mix of exotic undertones and raw aggression. Unlike a stamped x-pipe that is so common in the marketplace the Dinan 'X' is thoughtfully designed for maximum flow characteristics and by itself is a work of art. The Dinan X-Pipe removes the factory center section after the secondary catalytic converters, including the large resonator. In its place Dinan introduces straight through mandrel bent 2.75" T304 stainless steel tubing and the custom 'X' for better flow, and an improved throaty sound. In addition, the kit comes complete with mounting hardware, OE quality clamps, and flanges, for simplified installation. NOTE: Since a resonator is deleted there is potential for increased cabin noise associated with the Dinan High Flow X-Pipe. Features: Deletes both resonators, between catalyst and rear muffler. Stock hydro-formed 65mm tubing is replaced by 2.75" (70mm) mandrel-bent tubing for free flow. Includes X-pipe crossover made from mandrel bent tubing for minimum restriction, unlike stamped X-pipes 100% 304 stainless steel construction. Bolt-on installation. Includes mounting hardware.
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Active Valve Control
Active Valve Control
Milltek Sport - Corporate Logo
T#:35391004
Part#: SSXVS001
Special Order: No Guaranteed ETA
Sale - Save 10% $ 572.99

This product was last offered at the strikethrough price on
09-18-2026

$ 515.21 USD
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$ 572.99

This product was last offered at the strikethrough price on
09-18-2026

$ 515.21 USD
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Milltek Sport's Active Valve Control (AVC) delivers sophisticated exhaust management for vehicles with factory-installed valves and Milltek's performance exhaust systems featuring valve control upgrades. This innovative system allows drivers to effortlessly control exhaust valve operation, enabling precise adjustments to sound and volume for a tailored driving experience. For select models, AVC offers optional app-based control, compatible with iPhone and Android devices, giving drivers full customization at their fingertips. Powered by comprehensive CAN BUS integration and equipped with advanced safety protocols, the system ensures reliable performance while providing complete mastery over the exhaust's acoustic dynamics.
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Dinan Double-Walled 4" Clamp-On Exhaust Tip - Polished - 2.75" Inlet
Dinan Double-Walled 4" Clamp-On Exhaust Tip - Polished - 2.75" Inlet ...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:38688898
Part#: D663-0600-BOX
Ships on Oct 7, 2026
10% off MSRP $ 95.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 85.99 USD
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$ 95.99

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$ 85.99 USD
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Looking to replace old, or damaged, Dinan clamp-on tips or want to customize your exhaust setup with some Dinan flair? Look no further than our polished or black ceramic coated, straight-cut, double-walled exhaust tips that are available in a variety of tip sizes, lengths and inlet diameters! The enlarged tips with classic styling features an engraved Dinan logo on each tip. A combination that will demand attention to any passerby.
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Dinan Double-Walled 4" Clamp-On Exhaust Tip - Black Ceramic - 2.75" Inlet
Dinan Double-Walled 4" Clamp-On Exhaust Tip - Black Ceramic - 2.75" I...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:38688899
Part#: D663-0601-BOX
Ships on Oct 13, 2026
11% off MSRP $ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.99 USD
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11% off MSRP
$ 107.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.99 USD
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Looking to replace old, or damaged, Dinan clamp-on tips or want to customize your exhaust setup with some Dinan flair? Look no further than our polished or black ceramic coated, straight-cut, double-walled exhaust tips that are available in a variety of tip sizes, lengths and inlet diameters! The enlarged tips with classic styling features an engraved Dinan logo on each tip. A combination that will demand attention to any passerby.
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