Kline Innovation Porsche 718GT4/SPYDER Valvetronic rear system Audi-A4--A5-(B9)-Quattro-2017 Catback Exhaust:Front Pipe + Mid

Catback Exhaust:Front Pipe + Mid X-Pipe + Valvetronic Muffler + Quad Silver Tips + Standard remote control system module (AD-S4B9-CBV + TIP6389S*4 + R2016OL + OBD-CAB-V)Downpipes (Optional):1

as well as Porsche Motorsports

Carbon Fiber Competition Intake is a direct replacement for the OEM air box and improves cold air induction to the engine for improved throttle response and overall power

One piece CNC mandrel-bent primary tubes provide the most possible flow

Made in house using genuine aerospace grade Carbon fiber

Kline Innovation Porsche 718GT4/SPYDER Valvetronic rear system Audi-A4--A5-(B9)-Quattro-2017 Catback Exhaust:Front Pipe + MidThe Sound Removal of the heavy chambered rear silencer, and replacing it with a lightweight F1 grade Inconel 625 X pipe, and Fully bypassable lightweight Inconel silencers, sheds a significant amount of weight, as well as raising the pitch of the exhaust into a more exotic tonal range. Removal of the OPF and catalysts, and replacing them with either HJS motorsport catalysts, or De cat pipes, opens the sound up significantly, complementing and