M3 / M4 In Stock Ready to Ship!
#1
M3 / M4 In Stock Ready to Ship!
Production run complete, get them while they are hot!
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.
Peak Power
Stock= 410 whp / 400 ft/lbs
Exhaust = 419 whp / 414 ft/lbs
Maximum Gains
5000 RPM = +15whp / +16ft/lbs
BMW M3/M4 Full Product Line
If you are looking to take it one step further, we also offer PRIMARY CATBYPASS DOWNPIPES!
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.
Peak Power
Stock= 410 whp / 400 ft/lbs
Exhaust = 419 whp / 414 ft/lbs
Maximum Gains
5000 RPM = +15whp / +16ft/lbs
BMW M3/M4 Full Product Line
If you are looking to take it one step further, we also offer PRIMARY CATBYPASS DOWNPIPES!
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