VRSF B58 Downpipe Upgrade (X3 M40i & X4 M40i G02)

VRSF B58 Downpipe Upgrade (X3 M40i & X4 M40i G02)We are proud to introduce our VRSF race & catted downpipe for your B58 X3 M40iX & X4 M40iX. This downpipe is THE best bang for the buck mod available. This downpipe is available in both race & catted configuration. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our race or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust

5″ runners for all 6 cylinders– Genuine Garrett GTX3584RS with 1

Datalogging of over 80 advanced (RAM) channels and hundreds of others available at highest throughput of any tool available on the market today

This item fits the following BMWs:

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Outflows factory intake by up to +14%

Precision CNC machined turbocharger V-Band flange

Hardware Kit

Mandrel bent high flow 3″ aluminum tubing

This kit is capable of providing supplemental fueling to all MK5 Supra's and also BMW's equipped with B58 Gen 2 engine (see fitment guide for full details)

you will be giving your 335i maximum airflow by removing any restriction the OEM connections may have on the charged air

– larger Hi-Flow Turbine Wheel

New clutch packs consisting of our proprietary paper friction and steels through out the entire transmission