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Elevate your BMW experience with the Turner Motorsport E90 E92 M3 Titanium Valved Axle-Back Exhaust. This cutting-edge system offers exotic exhaust notes, weight reduction, and a noticeable performance boost. The muffler valves provide a tame, factory-like sound with a hint of exotic character when closed, and transform your car into an exotic beast when opened, thanks to the supplied valve controller.
For those who prefer to keep their factory cats, this exhaust setup is the ideal choice. It leaves all 4 factory cats in place, ensuring 100% emissions legality. The Mandrel bent dual 2.5” Ti22 pipes and high-flow, valved Titanium mufflers provide efficient gas flow and a dual-purpose exhaust system that satisfies both neighbors and performance enthusiasts.
Kit Includes:
Features:
Upgrade your M3 with the Turner Motorsport E90 E92 M3 Titanium Valved Axle-Back Exhaust for a perfect blend of style and performance.
Enhance your BMW driving experience with the Turner Motorsport E9X 335i (N55) Valved Catback Exhaust. Designed for hearty exhaust notes and improved performance, this exhaust system offers a subtle factory-like sound with closed valves and a menacing growl when opened. Crafted with Mandrel bent dual 2.5” 304SS pipes and a high-flow valved stainless steel muffler, it ensures efficient gas flow.
The kit includes Turner Mid Pipes, a Valved Exhaust, Muffler Valve Controller Kit, and engraved Exhaust Tips. Accuseal slip-fit joints simplify installation, making it a bolt-on replacement for the OE version. The full exhaust system is available as Axle Back, Cat-back, or a full Turbo back system, providing a dual-purpose solution for both your neighbors and your desire for volume.
Upgrade your N55 engine with the Turner Carbon Intake, breaking away from common setups. The dual inlet design adds functionality without compromising engine bay aesthetics. Located in the "sweet spot," the second inlet maximizes airflow and lowers intake air temps. The bellmouth velocity stack design reduces turbulence for a satisfying flutter after throttle release. The carbon fiber airbox and intake tube feature a gloss clear coat for UV protection, offering a beautiful OEM+ upgrade.
Turner Carbon Fiber Intakes are CAD-designed, ensuring optimal airflow improvement over stock. The kit includes a Carbon Intake Tube, Full Carbon 2 Piece Airbox, Bellmouth Velocity Stack Cone Filter, Billet Turbo Inlet Adapter, Silicone Coupler, and Hardware for Installation.
Upgrade your BMW with the Turner Motorsport E9X M3 (S65) Valved Axle-back Exhaust, offering a blend of robust exhaust notes and enhanced performance. This system delivers a menacing growl when the valves are open, providing an aggressive driving experience. Plus, it's emissions legal, retaining all four factory cats, making it ideal for various preferences and regulations.
The exhaust features Mandrel bent dual 2.5” 304SS pipes with a brushed finish, high-flow valved stainless steel mufflers, and easy-fit Accuseal slip-fit joints. The kit includes an axle-back exhaust with X pipe, adapter pipes for factory mid pipes, muffler valve controller kit, and engraved exhaust tips. Enjoy the Turner Motorsport E9X M3 full exhaust system, balancing volume for both your neighbors and your desire for an impactful exhaust.
Elevate your S65 engine with the Carbon Fiber S65 Intake from Turner. This gloss carbon fiber intake not only adds a roaring induction noise but also outperforms the factory intake by over 35%. Revel in the improved audible experience, the beauty of carbon fiber in your engine bay, and enhanced engine performance.
The Turner S65 Carbon Intake is designed with a larger cross-sectional area, ensuring more airflow to the engine in high-demand scenarios. The full carbon intake tube connects to a carbon heat shield housing a large cone filter. Tested to outperform the factory intake with over 750CFM, this intake offers benefits like increased throttle response and a unique, stand-out design.
The Turner S65 Intake System undergoes rigorous development, including FARO laser scanning, 3D CAD modeling, in-house prototyping, and extensive testing on a Mustang AWD 500 SE dyno and Superflow SF-750 Flowbench.
Unleash the roar of your N52 engine with the Turner Motorsport E9x N52 Muffler & Resonator Delete Kit. Elevate your driving experience by transforming your exhaust with this cost-effective kit, providing performance gains, a captivating exhaust note, and stunning exhaust tips. Shedding the heavy factory muffler, Turner's T304 stainless steel 3.0" tubing replaces it, delivering a lighter, high-flow solution compatible with the OEM rear valance. Easy to install with hand tools, this muffler delete adds a powerful sound without significant drone, while shaving off about 20lbs from your vehicle. Upgrade your N52 without replacing the entire exhaust system!
See and hear the difference on the ECS YouTube page.
Enhance your BMW's performance and sound with the Turner Motorsport N54 Valved Catback Exhaust. This exhaust system delivers a dual-purpose experience, offering a subdued note with the muffler valves closed, maintaining a near-factory sound. Open the valves with the included controller, and unleash a menacing growl, transforming your driving experience. Crafted with mandrel-bent dual 2.5" 304SS pipes and a high-flow valved stainless steel muffler, this system is a bolt-on replacement for the OE version, ensuring easy fitment with Accuseal slip-fit joints. Elevate your 335i's exhaust with the Turner Motorsport E9X 335i full exhaust system, available as Axle Back, Cat-back, or Turbo back.
Turner Motorsport E9X M3 S65 Carbon Intake Plenum
Unlock the full character of BMW’s legendary S65 V8 with Turner’s in-house engineered Carbon Fiber Intake Plenum—designed to enhance airflow, elevate induction sound, and integrate perfectly with OEM components.
Delivering over 13 CFM more airflow than the factory plenum, this upgraded unit is crafted entirely from high-grade prepreg carbon fiber, including the internal trumpets. The result? A stunning visual centerpiece and a dramatic increase in induction roar—an addictive, CSL-like soundtrack that transforms every throttle input.
Engineered by Turner, Built for Enthusiasts
Turner’s development process starts with a full 3D scan of the S65 engine bay. Our engineers refine every contour in SolidWorks before validating performance on a flow bench. The plenum is then produced using a 2x2 twill carbon weave and a UV-protected gloss clear coat for a long-lasting premium finish.
Multiple carbon layups were tested to fine-tune tone and resonance, culminating in an intake plenum that produces unbelievable induction volume and a razor-sharp V8 wail while maintaining factory fitment and sensor compatibility.
Key Features
CAD-designed for seamless integration with factory ducting and mounting points
100% prepreg 2x2 twill carbon fiber construction (including internal trumpets)
Gloss clear-coat finish for UV protection
Retains OEM IAT sensor and hose routing
Compatible with the stock airbox or any aftermarket intake system
Flows an average of 13 CFM more than the OE plenum
Pair it with Turner’s Carbon Fiber Intake System for maximum sound, performance, and engine bay presence.
Turner Motorsport E90/E92 M3 Stainless Steel Valved Axle-Back Exhaust – Brushed Tips
Add aggressive character to your S65 without sacrificing comfort or emissions compliance. The Turner Motorsport Valved Axle-Back Exhaust gives you full control of your M3’s personality—with quiet refinement when the valves are closed and a deep, motorsport-inspired growl at the touch of a button.
Designed specifically for the E90 and E92 M3, this system retains all factory secondary catalysts, making it fully emissions legal—including in California.
Engineered for Sound, Flow, and Easy Fitment
Mandrel-bent dual 2.5" 304 stainless steel piping feeds into high-flow, valved mufflers, all finished in a brushed stainless aesthetic. Using Accuseal slip-fit joints and the factory exhaust hangers, installation is straightforward and entirely bolt-on.
The supplied Turner Valve Controller Kit lets you switch exhaust mode anytime—giving you the best of both worlds: neighbor-friendly quiet on demand, and unmistakable S65 thunder when you want it.
Kit Includes
Turner Valved Axle-Back Exhaust w/ X-pipe section
Turner Adapter Pipes for factory mid-pipes
Turner Muffler Valve Controller Kit
Turner-engraved brushed exhaust tips
Features
Mandrel-bent dual 2.5” 304 stainless steel construction
High-flow, valved stainless steel mufflers
Brushed stainless finish
Turner-engraved straight-cut tips
Accuseal slip-fit joints for easy installation
Direct bolt-on, utilizing factory hangers
Compatible with all four OE catalytic converters
Get a Set of Turner Motorsport Performance Ignition Coils with Your ECS Tuning N54/N55 Cat-Back Exhaust Purchase! Upgrade your turbocharged E9X with the essentials: unleash a powerful exhaust note while enhancing ignition performance for an exhilarating drive.
ECS Tuning N54/N55 Cat-Back Exhaust for BMW E9X Take your 335i or 335xi to the next level with a high-performance cat-back exhaust designed to invigorate your driving experience. Constructed from premium brushed stainless steel, this ECS cat-back exhaust isn’t just about cutting weight—it’s about delivering unrestrained performance with a refined, yet powerful tone. Expect a thrilling soundtrack that underscores every shift and acceleration, giving you that much-needed connection to the road.
This exhaust system is crafted with balance in mind, providing a potent sound without the excessive drone that disrupts highway cruising. Designed for the N54 and N55 engines, it integrates seamlessly with both stock and aftermarket downpipes. Featuring twin 2.5” mandrel-bent pipes and turbo-style mufflers, this exhaust offers increased flow, weight savings, and a deep, exhilarating tone that complements the BMW’s high-output turbocharged engine.
Why Upgrade?
Better Sound and Flow: A dual 2.5” mid-pipe setup leads back to lightweight, turbo-style mufflers. Designed for unrestricted flow, the exhaust enhances horsepower, torque, and throttle response. Signature Tips: Complete with dual black chrome 3.5” tips, this system not only sounds incredible but looks the part, too. Weight Savings: Shedding 37% of the weight, this exhaust replaces the heavy factory cat-back and lightens your load to support a sportier feel. Improved Performance: Reduced backpressure for smoother, more responsive acceleration. Precision Engineering
Design Technology: Using FARO ARM laser scanning and SolidWorks 3D CAD, this system is built for an exact fit. High-Quality Materials: T304 stainless steel construction with 1.25mm wall thickness, TIG-welded for durability. OEM Fitment: Stainless steel hangers are welded in OE locations for a seamless, factory-quality installation. Adjustability: Strategic slip joints make adjustments easy, so you achieve the ideal alignment for your setup. What’s Included?
Dual 2.5” mid-pipes and rear exhaust section High-flow turbo-style mufflers Complete mounting hardware and clamps Black chrome 3.5” exhaust tips FREE Turner Motorsport Performance Ignition Coils As part of this special offer, enjoy a complimentary set of Turner Motorsport Performance Ignition Coils with your ECS Cat-Back Exhaust purchase. Built for durability and optimized spark, these ignition coils ensure your engine fires efficiently, supporting consistent power output and fuel economy.
Why Choose Turner Ignition Coils?
Boosted Performance: Enhanced spark energy translates to a stronger and more reliable combustion cycle. Direct Fitment: Engineered for seamless installation with your BMW’s ignition system. Distinctive Turner Blue: Adds a stylish touch to your engine bay, making it look as good as it performs. Benefits at a Glance
Enhanced Exhaust Sound: Deeper, more aggressive note with minimized cabin drone. Lighter Build: 37% lighter than stock for added agility. Free Ignition Coils: Improved spark for consistent performance and fuel efficiency. Performance Ready: Fully compatible with both OEM and aftermarket setups. Turn heads, enjoy the ride, and make the most out of your BMW’s power with this ECS Tuning N54/N55 Cat-Back Exhaust and Turner Ignition Coil combo—built for enthusiasts who demand the best in performance and style.