Doug Thorley Headers Exhaust
- Doug Thorley Headers®Exhaust SystemsExhaust Systems by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$299.62 - $874.72
- Doug Thorley Headers®Header Flange Gasket KitHeader Flange Gasket Kit by Doug Thorley Headers®. Replace your worn gaskets with Doug's high quality graphite and steel gaskets. Much better sealing capabilities and longevity over lower quality alternatives.Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$35.00
- Doug Thorley Headers®3-1 Long-Tube Headers3-1 Long-Tube Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$620.19 - $848.83
- Doug Thorley Headers®4-1 Long-Tube Headers4-1 Long-Tube Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$875.98 - $915.99
- Doug Thorley Headers®4-2-1 Long-Tube Headers4-2-1 Long-Tube Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$535.88 - $1,277.53
- Doug Thorley Headers®4-2-1 Tri-Y Headers4-2-1 Tri-Y Headers by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$495.86 - $1,236.09
- Doug Thorley Headers®Exhaust Header Flange KitExhaust Header Flange Kit by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$19.03 - $38.07
- Doug Thorley Headers®Long-Tube HeadersLong-Tube Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is the...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$901.70 - $1,260.38
- Doug Thorley Headers®Mid-Length Tube HeadersMid-Length Tube Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Ceramic. Header Style: Mid-Length Tube. This product is made of high-quality...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$671.63 - $863.12
- Doug Thorley Headers®Shortie HeaderShortie Header by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$397.26 - $417.27
- Doug Thorley Headers®Shortie HeadersShortie Headers by Doug Thorley Headers®. Header Style: Short Tube.Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$515.87 - $1,176.07
- Doug Thorley Headers®Tri-Y Exhaust HeadersTri-Y Exhaust Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$913.13 - $1,350.41
- Doug Thorley Headers®Tri-Y HeaderTri-Y Header by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$888.84 - $997.44
- Doug Thorley Headers®Tail-Pipes with Exhaust TipsTail-Pipes with Exhaust Tips by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$347.90
- Doug Thorley Headers®Catalytic Flange GasketCatalytic Flange Gasket by Doug Thorley Headers®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Built to match your exact requirementsHigh quality you can rely on$4.76 - $19.00
- Doug Thorley Headers®304 SS Axle-Back Exhaust System with Single Rear Exit (85425)304 SS Axle-Back Exhaust System with Single Rear Exit by Doug Thorley Headers®. Exhaust System Type: Axle-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.25". Exhaust System Sound: Aggressive / Loud. This quality...$299.62
- Doug Thorley Headers®Stainless Steel Axle-Back Exhaust System with Single Rear Exit (83207)Stainless Steel Axle-Back Exhaust System with Single Rear Exit by Doug Thorley Headers®. Exhaust System Type: Axle-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. This...$328.02
- Doug Thorley Headers®Stainless Steel Cat-Back Exhaust System with Single Rear Exit (83206)Stainless Steel Cat-Back Exhaust System with Single Rear Exit by Doug Thorley Headers®. With Y-Pipe. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5" to 2.25". Exhaust System Sound:...$558.06
- Doug Thorley Headers®Stainless Steel Cat-Back Exhaust System with Single Side Exit (89231)Stainless Steel Cat-Back Exhaust System with Single Side Exit by Doug Thorley Headers®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5" to 2.25". Exhaust System Sound: Aggressive /...$874.72
- Doug Thorley Headers®Stainless Steel Cat-Back Exhaust System with Single Side Exit (89248)Stainless Steel Cat-Back Exhaust System with Single Side Exit by Doug Thorley Headers®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5" to 2.25". Exhaust System Sound: Aggressive /...$643.26
- Doug Thorley Headers®Stainless Steel Cat-Back Exhaust System with Single Side Exit (83205)Stainless Steel Cat-Back Exhaust System with Single Side Exit by Doug Thorley Headers®. With Y-Pipe. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5" to 2.25". Exhaust System Sound:...$545.28
- Doug Thorley Headers®3-1 Steel Short Tube Exhaust Headers (THY-338-C)3-1 Steel Short Tube Exhaust Headers (THY-338-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Header Style: Short Tube. If you're looking to squeeze a little more power out of your V6 Camaro...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$515.87
- Doug Thorley Headers®3-1 Steel Short Tube Exhaust Headers (THY-470-C)3-1 Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Short Tube. These shortie headers are a fantastic way to work some extra horsepower out of...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$603.04
- Doug Thorley Headers®304 SS 4-2-1 Tri-Y Exhaust Header (HDX-634Y)304 SS 4-2-1 Tri-Y Exhaust Header (HDX-634Y) by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". This complete tri-y header kit will really wake up the motor on your 4.0L Jeep. Tri-Y (or 4 into 2...Made to provide unequaled quality and reliabilityMade with the use of the latest technologies$755.94
- Doug Thorley Headers®304 SS 4-2-1 Tri-Y Exhaust Header Kit (THY-716Y-SS)304 SS 4-2-1 Tri-Y Exhaust Header Kit (THY-716Y-SS) by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". This complete tri-y header kit will really wake up the motor on your Samurai or Tracker....Made to provide unequaled quality and reliabilityMade with the use of the latest technologies$495.86
- Doug Thorley Headers®304 SS 4-2-1 Tri-Y Exhaust Header Kit (THY-700Y-SS)304 SS 4-2-1 Tri-Y Exhaust Header Kit (THY-700Y-SS) by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.25". This complete tri-y header kit will really wake up the motor on your Samurai. Tri-Y, or 4...Made to provide unequaled quality and reliabilityMade with the use of the latest technologies$500.15
- Doug Thorley Headers®304 SS 4-2-1 Tri-Y Exhaust Headers (THY-481Y-LSO-C)304 SS 4-2-1 Tri-Y Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". This complete header kit makes huge increases in power output of your 5.6L Nissan. Tri-Y (or 4 into 2 into...Made to provide unequaled quality and reliabilityMade with the use of the latest technologies$913.13
- Doug Thorley Headers®304 SS Long Tube 3-1 Exhaust Headers (THY-515-LS-C)304 SS Long Tube 3-1 Exhaust Headers (THY-515-LS-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Long Tube. This long tube header kit really wakes up the 4.0L Toyota motor....High quality at an affordable priceExpertly made from premium materials$675.92
- Doug Thorley Headers®304 SS Long Tube 3-1 Exhaust Headers (THY-517-LS-C)304 SS Long Tube 3-1 Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Long Tube. This long tube header kit really wakes up the 4.0L Toyota motor. Made out of T304...High quality at an affordable priceExpertly made from premium materials$833.11
- Doug Thorley Headers®304 SS Long Tube 3-1 Exhaust Headers (THY-518-LS-C)304 SS Long Tube 3-1 Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Long Tube. This long tube header kit really wakes up the 4.0L Toyota motor. Made out of T304...High quality at an affordable priceExpertly made from premium materials$744.51
Doug Thorley Headers Exhaust Reviews
4 reviews
Best Headers There is!
Doug Thorley Headers® THY-505-C - Steel Long Tube 3-1 Exhaust Header Kit with Y-PipesPosted by Michael / May 20, 20231993 Toyota 4Runner