Audi S4 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet
2003 to 2005
Cat Replacement Pipes
Manual Only. Must be fitted with the Milltek Sport cat-back system and requires a Stage 2 ECU remapThis product is:
Race/Track Only
Cat-back
Non-resonated (louder)
System Number: SSXAU038
Consists of:
Tailpipe Style:
1 x Front Link Pipe Assembly
1 x RH Centre Section Non-Resonated
1 x LH Centre Section Non-Resonated
1 x LH Rear Silencer
1 x Brace Bar
1 x RH Rear Silencer
1 x Trim Assembly
100mm Jet
1 x Trim Assembly
100mm Jet
Pipe Ø: 2.25" (57.15mm) *
Cat-back
Non-resonated (louder)
System Number: SSXAU295
Consists of:
Tailpipe Style:
1 x Front Link Pipe Assembly
1 x RH Centre Section Non-Resonated
1 x LH Centre Section Non-Resonated
1 x LH Rear Silencer
1 x Brace Bar
1 x RH Rear Silencer
1 x RH Trim Assembly
100mm GT100
1 x LH Trim Assembly
100mm GT100
Pipe Ø: 2.25" (57.15mm) *
Cat-back
Non-resonated (louder) with GT-100 Cerakote Black TrimsCat-back
Non-resonated (louder) with Jet-100 Cerakote Black Trims
System Number: SSXAU872
Consists of:
Tailpipe Style:
1 x Front Link Pipe Assembly
1 x RH Centre Section Non-Resonated
1 x LH Centre Section Non-Resonated
1 x LH Rear Silencer
1 x Brace Bar
1 x RH Rear Silencer
2 x Jet 100 Cerakote Black Trims
100 Jet
Pipe Ø: 2.25" (57.15mm) *
Cat-back
Resonated (quieter)Cat-back
Resonated (quieter)Cat-back
Resonated (quieter) with GT-100 Cerakote Black TrimsCat-back
Resonated (quieter) with Jet-100 Cerakote Black Trims
System Number: SSXAU874
Consists of:
Tailpipe Style:
1 x Front Link Pipe Assembly
1 x RH Centre Section
1 x LH Centre Section
1 x LH Rear Silencer
1 x Brace Bar
1 x RH Rear Silencer
2 x Jet 100 Cerakote Black Trims
100 Jet
Pipe Ø: 2.25" (57.15mm) *
* Pipe sizes may vary from part-to-part. Pipe diameters are indicative of the system as a whole and do not necessarily mean every part is of a uniform size.