The ultimate catback exhaust system for the Ultimate Driving Machine includes Fabspeed's high performance Valvetronic rear muffler and exclusive "Double-X" midpipe for the perfect combination of sound and power.

FEATURES:

Fits all BMW F8x M3 & M4 sedan / coupe vehicles (2015+) - Does not fit F83 convertibles
Includes Deluxe Quad-Style Tips in a Polished Chrome, Black Chrome, or Single Wall Brushed finish
World's first and only "Double-X" midpipe design includes two "x" sections for increased exhaust scavenging, resulting in the smoothest possible exhaust note with the least amount of rasp
Constructed in-house at Fabspeed from 16ga / .065" thick CNC mandrel-bent T304L stainless steel in 2.75" diameter for the best durability
Integrated muffler valves include machined mounts for the factory actuators, allowing retention of factory valve functionality
Adds 19 whp and 31 ft/lbs of torque at 3300 RPM
POWER GAINS:

Peak Power
Stock= 410 whp / 400 ft/lbs
Exhaust = 419 whp / 414 ft/lbs
Maximum Gains
3300 RPM = +19whp / +31ft/lbs
WEIGHT:

Factory BMW System: 69lbs
Fabspeed System: 62lbs
Rear Section: 33lbs
Mid-Pipes: 29lbs

https://www.fabspeed.com/bmw-m3-m4-f...xhaust-system/


$2,000
Located 30mins north of Philadelphia, PA