Free Flow Stainless Exhaust Downpipe for Audi S4 S5 B9 3.0T ECU Tuning 214-4100 - PlugIn ECU G4X

214-4100 - PlugIn ECU G4X Nissan GTR with E-Throttle

Ensures unrestricted exhaust flow from inlet to tip

Honda K-Swap applications using compatible cable transmission setups

creating a sporty and high-performance aesthetic that stands out on the road

Reduces the vertical movement of the shifter from 0

Free Flow Stainless Exhaust Downpipe for Audi S4 S5 B9 3.0T ECU Tuning 214-4100 - PlugIn ECU G4XUnlock improved performance and responsiveness from your Audi S4 or S5 B9 with the STRATEC Performance Exhaust Downpipe with Heat Shield. Designed to improve exhaust flow and reduce backpressure, this upgrade enhances turbo response, power delivery, and overall driving feel. Constructed from high quality materials and featuring an integrated heat shield, this downpipe helps manage engine bay temperatures while protecting surrounding components from