Description
Free ground shipping.
This is a special order system. Delivery time can be 3-4 weeks.
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 F80 / F82 M3 & M4 2014-2020 vehicles worldwide - 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
Power:
- 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
NOTE: This Product Does Not Fit BMW F83 Convertibles - Requires light modification to the rear Fabspeed Bracket due to interference with cross-member