Wagner Tuning Downpipe Kit - Audi / S4 B9 / 3.0TFSIDownpipe Kit with 300CPSI Racing catalyst for Audi S4 B9 S5 F5 3,0TFSI made out of high quality stainless steel 1. 4301 (SS304) complete 2x 3 and adapter for stock exhaust CAD designed and flow optimized 300CPSI with EU6 coating Racing Metal Catalytic Converter 100% perfect fit, replace OEM less thermal load on the turbocharger more power by reducing back pressure significantly more torque Error display in the DME possible.

These Twin-Flow High Performance Sports Catalytic Converters feature 200 cell per square inch substrate fashioned from the highest quality materials currently available designed to improve air flow for your vehicle and increase performance

Works with AMG Ride Control

Includes Left and Right Side Tail Lights

The brazing stripe is an extra feature in the interest of durability – it prevents the core from moving or experiencing any damage from sustained high horsepower abuse

BMW 435i N55B30T0 F32 2016-18

Note - This brake upgrade fits under the Stock B6-S4 "Avus" style

Precision CNC machined MAP sensor flange ensures leak free connection

2003-up Golf R32

0 TSI (A5 Chassis) 2011 to 2015

Actual parts shown in photo

Because it is ECE type approved with no need to remap the ECU or add any other parts

MOUNTING HARDWARE will be supplied