AWE Tuning SwitchPath Remote for Audi B9 S4

AWE Tuning is an American performance brand that has spent decades engineering exhaust systems, intakes, and intercoolers specifically for European-platform vehicles. Based in Pennsylvania, AWE develops every product in-house with a focus on sound engineering, dyno-proven power gains, and fitment that installs cleanly the first time.Popular UpgradesAWE exhaust systems are among the most recognized in the Audi and VW community, covering everything from cat-back systems on the Golf R and GTI to full turbo-back setups on the Audi S3, S4, and RS3. Intake systems reduce restriction and improve throttle response, while intercoolers drop charge temperatures for consistent power under sustained boost. AWE also offers a Touring Edition exhaust for drivers who want improved sound without the full race note on daily-driven cars.What platforms does AWE Tuning support?AWE primarily focuses on Audi, Volkswagen, BMW, and Porsche platforms. Popular applications include the MQB-platform GTI and Golf...

Exhaust Hardware & Performance Exhaust Parts Upgrade your vehicle with premium exhaust components, exhaust hardware, and performance exhaust parts. This collection includes high-quality exhaust gaskets, exhaust adapters, exhaust cutouts, exhaust hangers, exhaust wrap, oxygen sensors, and valve controllers designed to improve exhaust flow, durability, and overall system performance. Exhaust Components from Top Brands Shop trusted brands including Vibrant Performance, DEI, BD Diesel, BLOX Racing, MAHLE, Victor Reinz, NGK, AWE Tuning, Akrapovic, Granatelli, and Torque Solution. These brands are trusted for street performance, diesel applications, turbo builds, and custom exhaust fabrication. Shop Exhaust Components by Category Find exhaust gaskets (MLS, manifold, turbo, and flange gaskets), exhaust adapters and fittings, exhaust cutouts and valve systems, exhaust hangers and mounting hardware, exhaust wrap and heat shielding, O2 sensors and emissions components, exhaust brakes and ...

Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...

Exhaust valve controllers allow you to switch between quiet and loud exhaust modes on demand, giving you full control over your vehicle's sound character at the press of a button. These systems work with factory and aftermarket active exhaust setups. Popular Upgrades Popular exhaust valve controller products include wireless remote systems for aftermarket cutout valves, OEM-style active exhaust switches for factory variable exhaust systems, and Bluetooth-controlled modules that integrate with smartphone apps for programmable RPM-based sound management. How does an exhaust valve controller work? An exhaust valve controller sends an electronic signal to the motorized valve in the exhaust system, opening or closing it based on driver input. When open, the bypass valve allows exhaust to flow unrestricted past the muffler for a louder tone. When closed, the full muffler is engaged for quieter operation. Can I add a valve controller to a non-active exhaust? Yes. If you install an aftermar...