The ultimate primary 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.
Pure and simple, you're looking at the best-sounding M3/M4 exhaust system on the market. Don't just take our word for it, though...
"Fabspeed’s exhaust for the 2015 M3 and M4 might be the best sounding one yet" - AutoEvolution
"Fabspeed manages to make the BMW F80 M3 & F82 M4 S55 exhaust note not suck while gaining 20+ horses with their Valvetronic system" - BoostAddict
"Fabspeed's Valvetronic Exhaust improves the quality of the exhaust sound dramatically" - BoostAddict
Fits all BMW F8x M3 & M4 vehicles (2015+)
Includes Deluxe Quad-Style Tips in a Polished or Black Chrome 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
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
Stock= 410 whp / 400 ft/lbs
Exhaust = 419 whp / 414 ft/lbs
3300 RPM = +19whp / +31ft/lbs
Factory BMW System: 69lbs
Fabspeed System: 62lbs
Rear Section: 33lbs