Product Details:
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