Fabspeed BMW M3/M4 (F80/F82) 2nd X-Pipe (2014-2020) Select:Select Trim Level=M Performance Designed with a 200-cell HJS

Designed with a 200-cell HJS catalytic converter core for maximum performance and reliability

or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86

Engine improvements include revised intake ports

The build date of your car can be found on a sticker on the driver's side door jam

On our dyno we saw curve gains of + 28HP crank HP (+24 horsepower at the wheels) and 16 ft/lbs tq

Fabspeed BMW M3/M4 (F80/F82) 2nd X-Pipe (2014-2020) Select:Select Trim Level=M Performance Designed with a 200-cell HJSIncrease power and sound with a free flowing x pipe section that replaces the restrictive and redundant factory secondary catalytic converters for increased exhaust flow. This system was born through a customer's request for a more aggressive exhaust note out of his M Performance rear muffler equipped M3, and when it comes to new development we are happy to oblige. We have developed a secondary cat bypass X pipe to remove the restrictive factory