aFe LARGE BORE HD 4in 409-SS DPF-Back Exhaust w/Polished Tip 07.5-12 Dodge Diesel Trucks L6-6.7L(td) - 49-42006-P fits_2014`BMW`M3 Improved Horsepower Gain

Improved Horsepower Gain

BMW F8X M3/M4 Valved Cat-Back Exhaust System

Coil Adjuster Nut

This 8” tall 360-degree radial flow air filter features our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance

aFe LARGE BORE HD 4in 409-SS DPF-Back Exhaust w/Polished Tip 07.5-12 Dodge Diesel Trucks L6-6.7L(td) - 49-42006-P fits_2014`BMW`M3 Improved Horsepower GainGain 22% more exhaust flow for improved performance and sound. This DPF back exhaust is 100% hand MIG welded, mandrel bent, 4" 409 stainless steel tubing for strength and durability and is finished off with a 5" intercooled, polished exhaust tip to reduce EGT's. This system utilizes factory mounting locations, and includes high quality hardware for a quick, hassle free installation. Stainless Steel Construction This DPF Back is constructed of 100%