In testing, the down-pipe back exhaust system resulted in gains up to +15 horsepower and +27 lbs. x ft. of torque, as measured on our in-house dyno (tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55 with the aFe power (Street) down-pipe P/N: 48-36312)
aFe power introduces the MACH Force-XP down-pipe back exhaust system for the 15-16 BMW M3/M4 (F80/82) with L6-3.0L (tt) engine. This system is constructed from 100% TIG-welded, 2-1/2" mandrel bent 304 stainless steel tubing for maximum flow. In testing, the cat-back exhaust system resulted in gains up to +15 horsepower and +27 lbs. x ft. of torque, as measured on our in-house dyno (tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55 with the aFe power (Street) down-pipe P/N: 48-36312). Included in this exhaust system are dual high flow transverse mufflers for increased flow and performance across the power band while maintaining a great tone. The mufflers comes with a unique high-temp powder-coated black finish finish for an aggressive style. aFe also has incorporated an equalizer balance tube to evenly distribute exhaust pulses traveling through the exhaust system. This not only creates a more efficient flow and better performance but also reduces decibels minimizing exhaust drone. To finish off this system are quad 3-1/2" diameter, carbon fiber, tips with CNC-machined laser-etched inserts for an aggressive style. All factory mounting locations are retained to provide a simple, hassle-free installation with no modifications necessary.
This system includes dual free-flowing, high-temp powder-coated black transverse mufflers to absorb high pitch tones producing a powerful sound, virtually eliminating drone.
Equalizer Balance Tube:
The equalizer balance tube evenly distributes exhaust pulses traveling through the exhaust system. This not only creates a more efficient flow and better performance, it also reduces decibels minimizing exhaust drone.
This MACH Force-Xp down-pipe back exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Quad 3-1/2" Carbon Fiber Tips:
Finishing off this system are quad light weight, 3-1/2”diameter, pure carbon fiber tips. The tips come with CNC-Machined laser-etched inserts, which give an aggressive yet elegant sporty look.
High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws.</
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