APR Catback Exhaust System | B9 A4 · A5 F06 · F12 · F13 M6 4.4L Turbo V8 [S63] These components work perfectly with

These components work perfectly with our other body kit pieces

TTE960 has RS4 compressor covers with larger TTE CNC billet inlets that we CNC machine in house to an optimum clearance to allow fitment and maintain the efficiency of a larger highly advanced billet high-pressure compressor wheel

Compatible with all known charge pipes

This hose is compatible with both OEM and upgraded APR charge pipes

APR Catback Exhaust System | B9 A4 · A5 F06 · F12 · F13 M6 4.4L Turbo V8 [S63] These components work perfectly withIntroducing the APR Catback Exhaust System for the Audi B9 S4 and S5! The APR Catback Exhaust System for the Audi B9 S4 and S5 is a complete, high performance exhaust solution that runs the entire length of the vehicle from the catalyst back. Inspired by the larger center pipe design of the higher output RS4 and RS5 models, this system is engineered to boost performance, elevate sound, and enhance aesthetics with customizable exhaust tips that are