E9x-Engine

The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for bett...

aFe Powers new power pulley brings performance engineering to your BMW. This power pulley is a complete bolt-on kit, including the pulley, bolts, a...

Bringing you the next generation of intakes, the Momentum GT sealed air intake system is designed using the most up-to-date engineering tools and t...

Dynamic air scoops are constructed out of lightweight black powdercoated aluminum and simply install behind the kidney bean grille. Increased air ...

Dynamic air scoops are constructed out of lightweight black powdercoated aluminum and simply install behind the kidney bean grille. Increased air ...

Dynamic air scoops are constructed out of lightweight black powdercoated aluminum and simply install behind the kidney bean grille. Increased air ...

Unique One-Piece Sealed Housing: A custom CAD designed roto-molded housing made high quality plastic eliminates the use of multiple components and ...

Want more power out of your N55? The Momentum GT Pro Dry-S Cold Air Intake is the best system for creating power, airflow, and maximizing performan...

Bringing you the next generation of intakes, the Momentum GT sealed air intake system is designed using the most up-to-date engineering tools and t...

The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainle...

aFe introduces the MACH Force XP dual axle-back exhaust system for the 11-14 Mustang GT V8-5.0L. In recent testing this system produced 18 horsepow...

Introducing the new aFe Power MACH Force XP cat back exhaust system for the 07-13 BMW 328i E92 & E93 non-turbo. In recent testing, this system ...

Constructed with 100-percent polyurethane on top and bottom, this non-oiled OE replacement filter provides years of hassle free service. Three Laye...

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow the stock filter ...

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow the stock filter ...

Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling. Stylish powder-coated steel or brushed aluminum cove...

This system is constructed of 2-1/2 IN 304 stainless steel tubing for maximum strength and durability. Includes dual high flow catalytic converters...