Under the Hood

The Range Technology AFM Disabler Device keeps your vehicle in 8 cylinder mode 100% of the time, preventing the Active Fuel Management syste ...more >>

The K&N 57-2583 FIPK air intake system replaces the restrictive factory air filter and air intake housing in specific Ford F150 models. ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

Hypertech Speedometer Calibrators are used to adjust the tire size in a vehicle's computer. Compensate for larger tire sizes and gear swaps ...more >>

Use less fuel and get more power using the Hypertech E-Con Power Programmer. The Max Energy E-CON provides the most fuel efficient tuning m ...more >>

Built for performance and show utilizing the highest quality components, the K&N 77 Series High-Flow Performance Air Intake is a free-fl ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N's 77 Series metal intake kits for trucks and SUV's combine outstanding performance and under-the-hood style. Many consumers will op ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

Built for performance and show utilizing the highest quality components, the K&N 77 Series High-Flow Performance Air Intake is a free-fl ...more >>

The Eibach Pro-kit lowering spring set adds a new dimension to your Mustang. You attack corners with confidence. Hard braking no longer indu ...more >>

APPLICATION LIST 1991 GMC SYCLONE 4.3L V6 F/I - All 1992-2001 GMC JIMMY 4.3L V6 - All 1992, 1994-1995 GMC SAFARI VAN 4.3L V6 CP ...more >>

APPLICATION LIST 1996-2002 LAND ROVER RANGE ROVER 2.5L L6 DSL 1996-2002 LAND ROVER RANGE ROVER 3.9L V8 F/I 1997-2001 LAND ROVER ...more >>

This K&N drop-in factory replacement high flow air filter for your Audi or Volkswagen VW is designed to add horsepower and is covered by a m ...more >>

APPLICATION LIST 1996-2002 AUDI A3 1.6L/1.8L/1.9L L4 F/I - All 1997-2004 VOLKSWAGEN GOLF IV 1.6L L4 F/I - 100BHP, 8v, AEH/AKL Eng. ...more >>

A K&N replacement air filter is designed to improve vehicle performance, provide excellent engine protection and last the life of your c ...more >>

APPLICATION LIST 1997-2002 DODGE DAKOTA 2.5L L4 F/I - All 1997-2003 DODGE DAKOTA 3.9L V6 F/I - All 1997-1999 DODGE DAKOTA 5.2L ...more >>

APPLICATION LIST 1999-2007 MERCEDES BENZ CL500 5.0L V8 F/I - All (2 required) 1999-2000 MERCEDES BENZ CL55 AMG 5.4L V8 F/I - EU ...more >>

APPLICATION LIST 2000-2007 AUDI A4 2.0L L4/3.0L V6 F/I - All 2000-2001 AUDI A4 2.5L V6 DSL - 155/163/180BHP 2001-2007 AUDI A4 1 ...more >>

APPLICATION LIST 2002-2004 JEEP CHEROKEE 2.5L L4/2.8L L4 DSL - CRD 2002-2004 JEEP CHEROKEE 3.7L V6 F/I - All 2002-2007 JEEP LIB ...more >>

APPLICATION LIST 2002-2008 DODGE RAM 1500 PICKUP 3.7L/4.7L V8 V6 F/I - All 2002-2003 DODGE RAM 1500 PICKUP 5.9L V8 F/I - All 20 ...more >>

APPLICATION LIST 1999 FORD F250/F350/F450/F550 SUPER DUTY 7.3L V8 DSL - from 12-7-98 2000-2003 FORD EXCURSION 7.3L V8 DSL - All ...more >>

APPLICATION LIST 2001 TOYOTA ALTIS 1.6L/1.8L/2.0L L4 F/I - All 2001 TOYOTA COROLLA 1.4L L4 F/I - to 2/02 2002 TOYOTA COROLLA 1. ...more >>

APPLICATION LIST 2001-2007 TOYOTA HIGHLANDER 2.4L L4 F/I - All 2001-2003 TOYOTA HIGHLANDER 3.0L V6 F/I - All 2002-2003 LEXUS ES ...more >>

APPLICATION LIST 1992-2008 FORD CROWN VICTORIA 4.6L V8 F/I - All 1992-2008 LINCOLN TOWN CAR 4.6L V8 F/I - All 1992-2008 MERCURY ...more >>

APPLICATION LIST 2003-2008 TOYOTA 4 RUNNER 4.0L V6 F/I - All 2003-2004 TOYOTA PRADO 4.0L V6 F/I - All 2005-2008 TOYOTA TACOMA 4 ...more >>

APPLICATION LIST 2004-2008 INFINITI QX56 5.6L V8 F/I - All 2004-2008 NISSAN PATHFINDER. 5.6L V8 F/I - All 2004-2008 NISSAN TITA ...more >>

APPLICATION LIST 2005-2008 SUBARU LEGACY 2.5L H4 F/I - All 2005-2008 SUBARU LEGACY GT 2.5L H4 F/I - All 2005-2008 SUBARU OUTBAC ...more >>

APPLICATION LIST 2007-2008 FORD EXPEDITION 5.4L V8 F/I - All 2007-2008 LINCOLN NAVIGATOR 5.4L V8 F/I - All 2008 FORD F250 SUPER ...more >>

APPLICATION LIST 2007-2008 TOYOTA TUNDRA 4.7L/5.7L V8 F/I - All 2008 TOYOTA LAND CRUISER 5.7L V8 F/I - All 2008 TOYOTA SEQUOIA ...more >>

APPLICATION LIST 2007 INFINITI G35 3.5L V6 F/I - Sedan (2 required) 2007-2008 NISSAN 350Z 3.5L V6 F/I - All (2 required) 2008 I ...more >>

APPLICATION LIST 1982-1984 NISSAN MAXIMA 2.4L L6 F/I - All 1982-1983 NISSAN MAXIMA 2.8L L6 DSL - All 1986 NISSAN MAXIMA 3.0L V6 ...more >>

APPLICATION LIST 1997-1998 FORD EXPLORER 4.0L V6/5.0L V8 F/I - Panel Filter 1997-1998 MERCURY MOUNTAINEER 5.0L V8 F/I - Panel Filt ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

The Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel giving you more mpg at part throttle and ...more >>

Use less fuel and get more power using the Hypertech E-Con Power Programmer. The Max Energy E-CON provides the most fuel efficient tuning m ...more >>

Use less fuel and get more power using the Hypertech E-Con Power Programmer. The Max Energy E-CON provides the most fuel efficient tuning m ...more >>

Use less fuel and get more power using the Hypertech E-Con Power Programmer. The Max Energy E-CON provides the most fuel efficient tuning m ...more >>

Use less fuel and get more power using the Hypertech E-Con Power Programmer. The Max Energy E-CON provides the most fuel efficient tuning m ...more >>

K&N Generation II Air Charger Intakes are built for many different vehicles and represent a dramatic improvement over a K&N Drop-in ...more >>

K&N Generation II Filter Injection Performance Kits (FIPKs) are built for many different vehicles and represent a dramatic improvement o ...more >>

If you are no longer using factory spark plug cables and the factory heat shields, and you have a supercharged engine or other high-heat pro ...more >>

A nice finishing touch appearance part that is used on bayonet-type mounts found on the LS1 and 3800 GM engines. Made of billet aluminum, co ...more >>

K&N Performance Gold Oil Filters for automotive applications have been constructed from the ground up to satisfy the high performance ne ...more >>

K&N offers a six-step maintenance system that's designed to recharge any K&N Filtercharger Air Filter. The kit includes Filtercharge ...more >>

Bolt On Horsepower! The PowerAid Throttle Body Spacers from AIRAID Premium Filter Company are designed to greatly improve the low-end ...more >>

This K&N drop-in factory replacement high flow air filter for your late model GM V8 truck is designed to add horsepower and is covered b ...more >>

The all-new Flashpaq F5 is the industry leading handheld tuner. With this easy to use handheld tool, you can add horsepower in minutes with ...more >>

APPLICATION LIST 1994-1996 BUICK REGAL 3.1L V6 F/I - All 1994-1998 BUICK REGAL 3.8L V6 F/I - All 1994-2001 CHEVROLET LUMINA 3.1 ...more >>

APPLICATION LIST 1999 BUICK CENTURY 3.1L V6 F/I - All 1999-2004 BUICK REGAL 3.8L V6 F/I - All 1999-2003 PONTIAC GRAND PRIX 3.1L ...more >>

The K&N 57-3061 FIPK Air Intake Kit for your 2006-2008 Trailblazer 6.0L V8 replaces the restrictive factory air filter and air intake ho ...more >>

The DiabloSport inTune programmer is the all new successor for the Predator handheld tuner that you've come to know and love. The long tour ...more >>

AIRAID Intake Systems make horsepower that you can feel. Increase the horsepower and performance of your 2009-2012 Cadillac CTS-V with the e ...more >>

Consistent control of your engine's temperature allows the engine to operate at peak efficiency no matter the conditions. Reducing energy t ...more >>

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Air Filter Cleaning and Oil Service Kit: Properly clean and accurately re-oil your filter for maximum performance and protection! Includes e ...more >>