aFe POWER 52-31662-C Magnum FORCE Stage-2 Carbon Fiber Cold Air Intake system fits 2008-13 BMW M3 (E9X) V8 4.0L. Dyno testing resulted in gains of +12 HP and +9 lbs. x ft. of torque to the wheels! High gloss clear-coated 2 x 2 Twill Weave Carbon Fiber intake tube for heat protection. This tube and filter is uniquely shaped to fill the stock air box with a large 9-1/4" x 5-1/4" oval top by 5" tall filter and with a 7x3" opening provides 41% greater airflow over stock. Includes both Pro Dry S oil-free & Pro 5R oiled, washable/reusable performance air filters.
aFe POWER 49-36329-B MACH Force-Xp 3" to 2-1/4" 304 Stainless Steel Cat-Back Exhaust System fits 2012-2016 328i (F30) 4 cyl 2.0L (t) N20 4 Door Sedan and 2014-2016 428i (F32) 2.0L (t) N20 2 Door Coupe. Gain of +6 horsepower and +8 ft. lbs. of torque. Includes a unique high flow, muffler with a high-temp powder-coated black finish and dual 3.5" diameter, black 304 stainless steel tips. Also included in this exhaust system is a polished 304 stainless steel resonator. Expect increased flow and performance across the power band while maintaining a great tone.