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Presenting our Turner Motorsport Performance Cat-Back Exhaust, tailor-made for your 330 or 430. Immerse yourself in an enhanced driving adventure as this meticulously engineered exhaust takes your B46/B48-equipped car to exhilarating new heights. With an unwavering commitment to performance and quality, the Turner exhaust is crafted to unlock the full potential of your F chassis.

Experience a symphony of performance and sound, coupled with a visual upgrade through the quad exit exhaust tips that amplify the motorsport essence of your vehicle. Elevate your driving encounters with the Turner Motorsport cat-back exhaust - unleash the power, reveal the glorious sound, and capture attention wherever you go.

Incorporating their distinctive design principles, this exhaust produces a commanding, deep tone, revealing the bold personality of the revolutionary line of 4-cylinder turbo engines. Leveraging the factory valve control, the Turner cat-back ensures an exciting sound during acceleration, seamlessly blending the high-performance sound with daily driving convenience. Crafted from 1.25mm wall T304 stainless steel, Turner's exhaust boasts superior durability, corrosion resistance, and aesthetic appeal.

Designed with the customer in mind, the installation is a breeze, featuring a straightforward bolt-on process using factory slip joints and mounting locations. Your exhaust system includes all the necessary clamps and hardware for a hassle-free installation. Upgrade your 330/430 with the Turner Motorsport cat-back and let every drive become a statement of power and style.

Upgrading the sound:

Our exhaust allows you to turn up the volume and let the B46/B48 boast its smooth and hearty exhaust tone. Let's be honest, what's the point of owning a B48 if you're not going to upgrade the exhaust? Our signature muffler design allows you to transfer the exhaust valve from your factory system directly onto your new Turner system. The Turner exhaust signature muffler design allows for two flow paths that change both tone and volume. With the vehicle in eco or comfort mode, the valves remain closed, with the closed valves the exhaust system allows the gasses to flow through the muffler toning down the volume and giving a more refined exhaust note. While in driving modes sport or sport+ the valve opens and the flow path changes to a "straight flow path" essentially turning into a straight-piped exhaust for the least amount of restriction and the most amount of B48 sound!

How the cat-back is designed:

To create a cat-back exhaust for this incredible vehicle the upgrade happens right at the downpipe. Turner replaced the factory components with oversized 3.0" T304 stainless steel piping. The true 3.0" exhaust makes its way through the center and rear of the car without the center muffler or resonator to keep the flow to a maximum! With smooth mandrel bent transitions, this exhaust passes perfectly under the rear subframe for a factory equivalent fit. Positioned in the rear of the car is Turner's signature B46/B48 muffler with a beautiful inlet and outlet piping that creates the perfect exhaust tuning. Featuring relief cut slip joints and fabricated sheet metal brackets the exhaust can be fully adjusted and mounted seamlessly in the factory locations. Dual 3.0" exhaust tips are optioned to fill out the open space in the rear diffuser and complete the rear profile of the vehicle.

Features and Benefits:

Street/Motorsport inspiration
Controlled by factory valves
Pronounced dual 3.0" Exhaust tip options
17 lb weight savings (Factory - 55lbs, Turner 38lbs)
Kit Contents:

3.0" front exhaust section
Full 3.0" lightweight free-flowing midsection for better sound, performance, and weight savings.
Valved rear muffler
Valve extension harness
Clamps and hardware for an OEM+ install
Optional dual 3.0" exhaust tips
Optional OBD plug-in
Part Design:

Turner In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
T304 Stainless Material in a natural finish - 1.25mm wall thickness, back purged and TIG-welded throughout
Full 3.0" Stainless Steel Mandrel Bent Tubing
T304 Stainless Steel 12mm barbed exhaust hangers Tig-Welded in OE locations for precise fitment.​
Strategically placed slip joints provide the most adjustability to obtain perfect fitment
Optional OBD Plug-In:

The factory-valved muffler is not only controlled by different driving modes like comfort, sport, and sport plus but the RPM also plays into whether the valves are opened or closed. If you are looking for a solution to define whether your exhaust valve is fully opened or closed then you should look into adding an OBD plug-in that features Bluetooth valve control from your phone. During testing, the best way to choose whether your valve is open or closed for your sound preference is through an OBD-linked application on your phone. Included in this kit are optional OBD extensions to not only gain diagnostic function but also gain the ability to influence widgets on your vehicle such as valve position on your valved muffler.

Upgrade your F chassis with the B46/B48 3" Center Muffler and Resonator Delete for a deeper, more liberating exhaust tone. This modification offers a direct swap for the factory center exhaust section, effectively enhancing both sound and performance.

Experience a distinct shift in exhaust tone, accompanied by improved flow efficiency and the elimination of factory exhaust bottlenecks. The Turner Motorsport B46/B48 Resonator Delete replaces the cumbersome factory center muffler and resonator with lightweight, high-flow T304 stainless steel 3.0" exhaust tubing.

Not only does this upgrade deliver a more pronounced exhaust note, but it also contributes to a smoother flow path, reducing restrictions and enhancing overall performance. Plus, shedding approximately 6 lbs, this mid-pipe replacement offers a practical, cost-effective solution for those seeking an enhanced driving experience without the need to replace the entire exhaust system. Fully compatible with both the front downpipe and rear muffler, it's a seamless addition to your vehicle's setup.

Features and benefits:

Enhanced exhaust tone
Simple installation (with instructions!)
6lb weight savings! (Removes center muffler and center resonator)
Good looking and durable 304 stainless steel construction
Heavy-duty fabricated sheet metal exhaust hangers
Direct bolt-on to the factory downpipe
Includes factory front clamp and rear sleeve clamp for full installation
Kit Includes:

Front exhaust section
Mid-pipe exhaust Section
Factory downpipe exhaust clamp
Rear muffler sleeve clamp
Installation and Support:

Installation is as easy as cutting, placing into position, and clamping!
Tools you might want for the job:
Exhaust hanger removal pliers - T379176
Exhaust pipe cutter - T38545

Tired of busting your knuckles from old hardened exhaust hangers?

This Schwaben tool removes the hanger by pressing on the steel hanger bracket and pulling the rubber hanger in one motion. Self centering force pin locks onto the pin while the flat paddle pulls off the rubber hanger from behind. Slim profile and a 25 degree offset works in tight areas.