Kooks 3" Y-pipe with Ultra High Performance Green Cats- 2014-2018 Chevy Silverado, Sierra 1500 & GM Fullsize SUV V8 (5.3L)

Looking for the best performing, finest American made exhaust header? Look no further than Kooks Custom Headers! These Long Tube headers feature all 304 Stainless Steel, mandrel bent, TIG welded...

This is a preorder deposit for our new LSX Turbo Manifolds which secures you a place in line when released this spring. Final price is $750 and you will have to pay the difference before they ship...

*SPECIAL ORDER* Factory Connect Catted: 2014-18 Chevy Silverado / GMC Sierra Truck Headers from Stainless Works - Increase performance and improve sound with our Silverado headers. These headers...

To connect your Kooks headers to your stock or aftermarket exhaust, you will need a Kooks Y-pipe. These Y-pipes are all 304 stainless and come with the following options- Off Road - Deletes your...

Add an AEM X-Series OBDII Gauge at a Discount! Appropriate number of credits are needed to use tool. Please visit HP Tuners site at link below to verify your vehicle is supported and how many...

Add an AEM X-Series OBDII Gauge at a Discount! Appropriate number of credits are needed to use tool. Please visit HP Tuners site at link below to verify your vehicle is supported and how many...

To connect your Kooks headers to your stock or aftermarket exhaust, you will need a Kooks Connection Pipe. These Connection Pipes are all 304 stainless and come with the following options- Off...

To connect your Kooks headers to your stock or aftermarket exhaust, you will need a Kooks Connection Pipe. These Connection Pipes are all 304 stainless and come with the following options- Off...

To connect your Kooks headers to your stock or aftermarket exhaust, you will need a Kooks Y-pipe. These Y-pipes are all 304 stainless and come with the following options- Off Road - Deletes your...

To connect your Kooks headers to your stock or aftermarket exhaust, you will need a Kooks Y-pipe. These Y-pipes are all 304 stainless and come with the following options- Off Road - Deletes your...

Looking for the best performing, finest American made exhaust header? Look no further than Kooks Custom Headers! These Long Tube headers feature all 304 Stainless Steel, mandrel bent, TIG welded...