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.
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 sedan / coupe vehicles (2015+) - DOES NOT FIT F83 CONVERTIBLES
Includes Deluxe Quad-Style Tips in your choice of finish and style.
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
OEM Gaskets Included
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
NOTE: This Product Does Not Fit BMW F83 Convertibles - Requires light modification to the rear Fabspeed Bracket due to interference with cross-member
This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.
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Just had this recently installed in 2018 M3. Stock exhaust is terrible but this one has elevated things to a whole new level! It really has transformed the car. It now sounds like a proper M3 should. I deducted one star because the only knock against it is that it's not a true quad exhaust (and you can easily tell from looking behind the exhaust tips).
I now have an F80 M3 with their valvetronic exhaust system and HOLY S**T it sounds AMAZING... everywhere I go I get compliments which is a very rare occasion with this engine. It's seems the team at Fabspeed cracked the code for making this inline 6 sound like an absolute monster. Bravo!