Active Autowerke Catted Downpipes (GESI CAT) - BMW / S58 / G80 / M3 / G82 / M4 / G87 / M2 (11-085) StillenShipping_125 Purging the air out of

Purging the air out of your nitrous line allows harder launches and quicker 60ft times

- 2-3/4 inch mandrel-bent aluminum tubes replace stock restrictive air box and optimize the air flow with excellent heat dissipation and long lasting durability

2 M Description_ASM Front EBC RP-1 Race Brake Pads FMSI D394 88 thru 95 BMW 525i 2

The 340 is also perfect for use as a universal replacement for applications that require more flow to support forced air power adders such as turbo and supercharged applications

Active Autowerke Catted Downpipes (GESI CAT) - BMW / S58 / G80 / M3 / G82 / M4 / G87 / M2 (11-085) StillenShipping_125 Purging the air out ofActive Autowerke presents the Signature Catted Downpipes featuring GESI G Sport catalytic converters, designed for the BMW G80 M3, G82 M4, and G87 M2 models equipped with the S58 engine. Optimized 3" diameter stainless steel piping enhances exhaust flow without dropping below the factory 70mm diameter. Incorporates 4. 5" ultra high flow GESI catalytic converters compliant with EPA regulations (except California), eliminating Check Engine Lights (CEL).