JB4 Tuner for 2017+ Audi S4, S5, SQ5, RS4, RS5, A6, A7, Q7, Q8 (3.0T Only) - Burger Tuning Type:Audi B9 S4/S5/SQ5/A6/Q8 BMW 135i (2008 to 2013)

BMW 135i (2008 to 2013)

They can be adjusted to the desired length and are equipped with set screws so they go on easily and stay in place

Download N55 Stage 1 Install Guide

with precise fitment and brilliant finish the ARM S55 Resonated Downpipes are the perfect solution for your S55 project

Audi A3 2017 to 2020

JB4 Tuner for 2017+ Audi S4, S5, SQ5, RS4, RS5, A6, A7, Q7, Q8 (3.0T Only) - Burger Tuning Type:Audi B9 S4/S5/SQ5/A6/Q8 BMW 135i (2008 to 2013)The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full SENT sensor technology required for properly tuning the latest Audi platforms. Includes full CANbus allowing the JB4 to access and incorporate all engine data in it's tuning strategies, incorporate unique safety features such