Doug Thorley Headers Exhaust
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Doug Thorley Headers®304 SS Short Tube Exhaust Headers (THY-564-SS-C)304 SS Short Tube Exhaust Headers (THY-564-SS-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Short Tube. These stainless steel shortie headers are a fantastic way to work...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$864.55 - Doug Thorley Headers®304 SS Short Tube Exhaust Headers (THY-563-SS-C)304 SS Short Tube Exhaust Headers (THY-563-SS-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Header Style: Short Tube. These stainless steel shortie headers are a fantastic way to work...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$1,047.46
- Doug Thorley Headers®304 SS Short Tube Exhaust Headers (THY-562-SS-C)304 SS 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 your...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$1,114.62
- Doug Thorley Headers®304 SS Short Tube Exhaust Headers (THY-561-SS-C)304 SS 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 your...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$887.41
- Doug Thorley Headers®304 SS Silver Ceramic Coated Long Tube 4-2-1 Tri-Y Exhaust Headers (THY-564Y-LS-C)304 SS Silver Ceramic Coated Long Tube 4-2-1 Tri-Y Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Ceramic. Header Style: Long Tube. This...High quality at an affordable priceExpertly made from premium materials$878.84
- Doug Thorley Headers®304 SS Silver Ceramic Coated Long Tube 4-2-1 Tri-Y Exhaust Headers (THY-563Y-LS-C)304 SS Silver Ceramic Coated Long Tube 4-2-1 Tri-Y Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Ceramic. Header Style: Long Tube. This...High quality at an affordable priceExpertly made from premium materials$1,038.88
- Doug Thorley Headers®304 SS Silver Ceramic Coated Short Tube Exhaust Headers (THY-183-SS-C)304 SS Silver Ceramic Coated Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Ceramic. Header Style: Short Tube. These shortie headers...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$943.14
- Doug Thorley Headers®4-1 Short Tube Exhaust Headers with Y-Pipes (THY-340-C)4-1 Short Tube Exhaust Headers with Y-Pipes (THY-340-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Short Tube. There is no better way to squeeze a little more power out of your...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$1,176.07
- Doug Thorley Headers®4-1 Steel Short Tube Exhaust Headers (THY-508-C)4-1 Steel Short Tube Exhaust Headers (THY-508-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Header Style: Short Tube. These shortie headers are a fantastic way to work some extra horsepower...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$795.95
- Doug Thorley Headers®4-1 Steel Short Tube Exhaust Headers (THY-268-1-C)4-1 Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Backed by over 50 years of knowledge and experience, Doug's headers are designed...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$900.27
- Doug Thorley Headers®4-2-1 304 SS Tri-Y Exhaust Headers (THY-481Y-LS-C)4-2-1 304 SS 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$913.13
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-214Y-FI-S-C)4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-214Y-FI-S-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience, Doug's headers are...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,178.93
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-214Y-FI-C)4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-214Y-FI-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Doug's headers are designed to outflow your stock exhaust manifolds by leaps and...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$994.58
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-323Y-C)4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-323Y-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Header Coating: Silver Ceramic. What better way to enhance your vehicle than a...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$936.00
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-364Y-C)4-2-1 Steel Tri-Y Exhaust Headers with Adapters (THY-364Y-C) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Coating: Silver Ceramic. Backed by over 50 years of knowledge and...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,040.31
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI6-C)4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI6-C) by Doug Thorley Headers®. Position: Passenger Side. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Doug's headers are designed to outflow your stock...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,186.07
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI5-C)4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI5-C) by Doug Thorley Headers®. Position: Passenger Side. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience,...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,330.40
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI1-C)4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI1-C) by Doug Thorley Headers®. Position: Passenger Side. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience,...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,334.69
- Doug Thorley Headers®4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI2-C)4-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-214Y-FI2-C) by Doug Thorley Headers®. Position: Passenger Side. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience,...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,350.41
- Doug Thorley Headers®4:1 Mid-Length Tube Exhaust Headers (THY-328-C)4:1 Mid-Length Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Mid-Length Tube. Get the most out of your LS powered sand rail by installing these quality 4:1...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$827.39
- Doug Thorley Headers®5-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-218Y-SC)5-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-218Y-SC) by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience, Doug's headers are designed to...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,087.47
- Doug Thorley Headers®5-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes (THY-218Y-C)5-2-1 Steel Tri-Y Exhaust Headers with Y-Pipes by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Backed by over 50 years of knowledge and experience, Doug's headers are designed to outflow your...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$1,067.46
- Doug Thorley Headers®6-2 304 SS Short Tube Exhaust Headers (HDX-635)6-2 304 SS Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2" DUAL. 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$723.07
- Doug Thorley Headers®Ceramic Coated Mid-Length Tube Exhaust Headers (THY-270-C)Ceramic Coated Mid-Length Tube Exhaust 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$798.81
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9716)Exhaust 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$22.68
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9265-2)Exhaust 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$38.07
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9505-2)Exhaust Header Flange Kit (THY-9505-2) 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$31.05
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9514-2)Exhaust Header Flange Kit (THY-9514-2) 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$31.05
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9542)Exhaust Header Flange Kit (THY-9542) 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$19.03
- Doug Thorley Headers®Exhaust Header Flange Kit (THY-9508-2)Exhaust Header Flange Kit (THY-9508-2) 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$20.11
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