BMW Axleback Exhaust for BMW F80 M3 S55 3.0L

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Axleback exhaust systems generally include what's behind your rear axle. These are among the easiest of exhaust upgrades to install, and give you an instant upgrade in sound.
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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

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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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
Add to Wish List
Starting at $ 2,349.99 USD
Add to Wish List
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
Free Shipping
Add to Wish List
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
Free Shipping
Add to Wish List

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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AFE MACH Force-Xp 2-1/2in Stainless Steel Axle Back Exhaust System - Polished, Black, Or Carbon Fiber Tips - F80/82/83 M3 M4 S55
AFE MACH Force-Xp 2-1/2in Stainless Steel Axle Back Exhaust System - ...
AFE - Corporate Logo
T#:9383749
Part#: 49-36338PDK
Ships in 3 Business Days
Sale - Save 10% $ 2,689.00

This product was last offered at the strikethrough price on
09-01-2026

Starting at $ 2,420.10 USD
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Sale - Save 10%
$ 2,689.00

This product was last offered at the strikethrough price on
09-01-2026

Starting at $ 2,420.10 USD
Add to Wish List
This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially closing. DETAILS: Your choice of polished, black, or carbon fiber tips +17 HP and +25 lbs. x ft. Torque max gains Constructed from 100% hand TIG-welded, 2-1/2" to 3" mandrel bent, brushed finished 304 stainless steel tubing Includes a factory style exhaust valve Utilizes a unique high flow, transverse muffler with a high-temp powder-coated metallic black finish Includes Quad, 3-1/2"diameter tips with aFe POWER logo Uses all factory hanger locations for a hassle-free installation
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