Audi S6 4.0 TFSI C7 quattro
2012 to 2018
Additional parts
Only required for fitment with non-ValveSonic Milltek cat-back systemsActive Valve Control
Active Valve Control System (Changes default valve behaviours, override with ESP button to open on demand)Large-bore Downpipes and Cat Bypass Pipes
Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)This product is:
Race/Track Only
System Number: SSXAU555
Consists of:
Tailpipe Style:
1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x LH Connecting Pipe to Milltek Catback
1 x RH Connecting Pipe to Milltek Catback
Pipe Ø: 3.00" (76.20mm) *
Large-bore Downpipes and Cat Bypass Pipes
Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)This product is:
Race/Track Only
System Number: SSXAU634
Consists of:
Tailpipe Style:
1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x LH Connecting pipe to OE Cat Back System
1 x RH Connecting pipe to OE Cat Back System
Pipe Ø: 3.00" (76.20mm) *
Large Bore Downpipes and Hi-Flow Sports Cats
Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)This product is:
Race/Track Only
System Number: SSXAU554
Consists of:
Tailpipe Style:
1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x LH Secondary 100-CPSI Hi-Flow Sports Catalyst (under car)
1 x RH Secondary 100-CPSI Hi-Flow Sports Catalyst (under car)
Pipe Ø: 3.00" (76.20mm) *
Large Bore Downpipes and Hi-Flow Sports Cats
Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)This product is:
Race/Track Only
System Number: SSXAU635
Consists of:
Tailpipe Style:
1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) {Cerakote Semi-Gloss Black Finish}
1 x LH Secondary 100-CPSI Hi-Flow Sports Cat (under car) to OE System
1 x RH Secondary 100-CPSI Hi-Flow Sports Cat (under car) to OE System
Pipe Ø: 3.00" (76.20mm) *
Cat-back
Non-resonated (louder) - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codesCat-back
Non-resonated (louder) with Cerakote Black Tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codesCat-back
Non-resonated (louder) with Cerakote Black tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.Cat-back
Non-resonated (louder) with Polished tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.Cat-back
Non-resonated (louder) with Titanium tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.Cat-back
Resonated (quieter) with Cerakote Black tips - Recommend with Valve Delete Modules SSXAU405 to prevent ECU fault codesThis product is:
EC-Approved
Cat-back
Resonated (quieter) with Cerakote Black tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.Cat-back
Resonated (quieter) with Polished tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codesThis product is:
EC-Approved
Cat-back
Resonated (quieter) with Polished tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.Cat-back
Resonated (quieter) with Titanium tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codesThis product is:
EC-Approved
Cat-back
Resonated (quieter) with Titanium tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.* 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.