Active Autowerke Downpipes W/ GESI Cat - BMW / S58 / F97 / F98 / X3M / X4M (11-070) 2525 Black Wrinkle Powder Coat Finish

Black Wrinkle Powder Coat Finish

Dual wall stainless steel polished tip

which means they are strong and light weight

and the results were fantastic

9 Description_ASM Rear S10K FMSI D008 68 thru 69 CHEVROLET Corvette (C3) 5

Active Autowerke Downpipes W/ GESI Cat - BMW / S58 / F97 / F98 / X3M / X4M (11-070) 2525 Black Wrinkle Powder Coat FinishThe Active Autowerke Downpipes with GESI Catalytic Converters are engineered specifically for the BMW S58 engine found in F97 F98 X3M and X4M models. Designed to reduce flow restriction inherent in OEM downpipes, these 3" stainless steel pipes improve turbo spool and durability while maintaining emissions compliance outside California. 3" diameter stainless steel piping with stainless flex joints for durability Down to 70mm OEM exhaust system