This quality RAGE performance big bore exhaust system will not only increase the power output of your engine, but will also sound good too! This system is a simple bolt on solution, designed specifically for Audi S4 3.0L V6 supercharged model, 2010 on. The piping in this cat back system measures 63mm in diameter. Part number BB15599 for the complete kit.

Wastegate spring kit for Tial 38mm wastegate MVS / MVR
DPR 700 external fuel pump
Kinugawa T28 Actuator (S14 / s15) Billet (adjustable)
Bosch 1000cc injectors set (6) high impedence
BC Camshafts 7MGTE stage 2 / 3
BC Camshafts 4G63 EVO 4-8 stage 2 / stage 3 / 3+
DPR S14 S15 R33 rear camber arms
Hybrid GT2 spec intercooler kit - Mazda 6 MPS
BC Camshafts RB26DETT stage 2 / 3
Banjo fitting M14x1.5 to -4AN (Oil feed)
D2 upper mount (top hat) stud
DPR S13 R32 A31 Z32 rear camber arms
Gasket - T4 exhaust housing inlet twin entry
Toyota 4EFTE Starlet manifold and dump pipe set (suit TD04/TD05 turbo) 