aFe Power Downpipe-Back Exhaust for BMW M3/M4 (F8x)
- Horsepower Increase: +15 hp
- Torque Increase: +30 ft.lbs
A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo.
This exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance.
This exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Brushed 304 SS Construction:
The performance downpipe-back exhaust system is constructed of 3" to 2.5" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.
Quad 3.5" Polished Tips:
Finishing off this system are Quad 3.5" diameter, 304 stainless steel polished tips with laser-etched aFe POWER logos.
Quad 3.5" Black Stainless Steel Tips:
Finishing off this system are Quad 3.5" diameter, 304 stainless steel black tips with laser-etched aFe POWER logos.
Quad 3.5" Carbon Fibre Tips:
Finishing off this system are Quad 3.5" diameter, carbon fibre tips with CNC machined laser-etched inserts.
NOTE: Will Not Fit BMW M4 (F83)
- BMW M3 (F80) [3.0L I6 Twin-Turbo S55]
- BMW M4 (F82/F83) [3.0L I6 Twin-Turbo S55]
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