Bull-X Downpipe For Audi S4/S5 (B9)

Bull-X

Bull-X Downpipe For Audi S4/S5 (B9)

Made in Germany, the Bull-X downpipe for Audi S4/S5 (B9) is the premier solution for your tuned 3.0T! Features include:

 - Integrated thermal shielding, up to 300c ambient temperature reduction

 - Decat solution for optimal power

 - 100% plug and play for original downpipe

 - CAD optimized flow analysis for the highest performance

 This part requires proper ECU tuning to avoid a CEL, as well as to optimize performance.

$ 999.00