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Choose your own configuration along with your choice of exhaust tips and more!
10X Entries Into Our F80 M3 Sweepstakes
Stainless steel system with high flow catalytic converter
This system is only for vehicles with a supercharger conversion and does away with the factory vacuum-controlled exhaust flaps
Designed to seamlessly fit in place of factory catalytic converter
This product was last offered at the strikethrough price on
09-29-2026
Lifetime Replacement
complete drop-in upgrade will bolt up to stock/Stock Fit Turbo
2X Entries Into Our F80 M3 Sweepstakes
Lifetime Replacement
Stainless steel system with high flow catalytic converters
This system does away with the factory vacuum-controlled exhaust flaps
High flow, stainless downpipe kit to be used with factory exhaust
Fits manual transmission models only - To be used with factory exhaust
Lifetime Replacement
tubular headers system for the 2006-2008 Audi RS4 Quattro has been developed to get the maximum gains with the popular Supercharger conversion kits.
Increase the sound quality along with top end performance on your RS4
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
2.25" stainless steel with quad 76.2mm polished tips
Lifetime Replacement
High flow, stainless downpipe kit to be used with factory exhaust
Fits automatic transmission models only - To be used with factory exhaust
Lifetime Replacement
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
2.36" stainless steel with dual Satin Sheen Black Tips
Lifetime Replacement
For Manual Transmissions - Comes with cats and 2.5" cat back
2.36" stainless steel with dual oval polished tips
Lifetime Replacement
2.5" stainless steel with dual GT 100mm polished tips
Automatic transmission only
Lifetime Replacement
