Top 9 Doug Thorley Headers – Automotive Replacement Exhaust Headers


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1. Doug Thorley Headers

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Doug Thorley Headers THY-372Y-C Exhaust Header

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Doug Thorley Headers #ad - Kit includes all required gaskets and/or installation hardware. Ceramic coated inside and out. Made in the USA with limited lifetime warranty. Carb approved, 50 state smog legal. Extra thick 14ga tubing and 3/8 inch thick flanges.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Weight30 Pounds
Width22 Inches
Part NumberTHY-372Y-C
ModelTHY-372Y-C
WarrantyLimited Lifetime Warranty

2. Doug Thorley Headers

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Doug Thorley Headers thy-465-l-c Long Tube Header for Nissan Xterra/Frontier 3.3L V6

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Doug Thorley Headers #ad - Extra thick 14ga tubing and 3/8 inch thick flanges. Made in the USA. Limited lifetime warranty. Ceramic coated inside and out. Kit includes all required gaskets and/or installation hardware.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Part Numberthy-465-l-c
Modelthy-465-l-c
WarrantyLimited Lifetime Warranty

3. Doug Thorley Headers

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Doug Thorley Headers thy-542y-o-c Exhaust Header for Toyota Truck 4Runner 22RE

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Doug Thorley Headers #ad - Carb approved, 50 state smog legal. Made in the USA with limited lifetime warranty. Kit includes all required gaskets and/or installation hardware. Ceramic coated inside and out. Extra thick 14ga tubing and 3/8 inch thick flanges.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Width22 Inches
Part Numberthy-542y-o-c
Modelthy-542y-o-c
WarrantyLimited Lifetime Warranty

4. Doug Thorley Headers

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Doug Thorley Headers thy-505-c Smog Legal Header for Toyota 3.0L V6

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Doug Thorley Headers #ad - Extra thick 14ga tubing and 3/8 inch thick flanges. Kit includes all required gaskets and/or installation hardware. Ceramic coated inside and out. Carb approved, 50 state smog legal. Made in the USA with limited lifetime warranty.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Part Numberthy-505-c
Modelthy-505-c
WarrantyLimited Lifetime Warranty

5. Doug Thorley Headers

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Doug Thorley Headers thy-560y-l-c Long Tube Header for Toyota Tundra 5.7L V8

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Doug Thorley Headers #ad - Limited lifetime warranty. Kit includes all required gaskets and/or installation hardware. Extra thick 14ga tubing and 3/8 inch thick flanges. Ceramic coated inside and out. Made in the USA.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Part Numberthy-560y-l-c
Modelthy-560y-l-c
WarrantyLimited Lifetime Warranty

6. Doug Thorley Headers

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Doug Thorley Headers THY-716Y-SS Exhaust Header for Suzuki Samurai Tracker Sidekick V16

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Doug Thorley Headers #ad - T-304 stainless steel. Kit includes all required gaskets and/or installation hardware. Made in the USA with limited lifetime warranty. Thick 14ga tubing and 3/8 inch thick flanges. Carb approved, 50 state smog legal.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Width22 Inches
Part NumberTHY-716Y-SS
ModelTHY-716Y-SS
WarrantyLimited Lifetime Warranty

7. Doug Thorley Headers

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Doug Thorley Headers THY-507-S-C Exhaust Header with EGR Fitting for Toyota Tacoma/4Runner 3.4L

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Doug Thorley Headers #ad - Made in the USA with limited lifetime warranty. Kit includes all required gaskets and/or installation hardware. Carb approved, 50 state smog legal. Extra thick 14ga tubing and 3/8 inch thick flanges. Ceramic coated inside and out.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Weight25 Pounds
Width22 Inches
Part NumberTHY-507-S-C
ModelTHY-507-S-C
WarrantyLimited Lifetime Warranty

8. Doug Thorley Headers

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Doug Thorley Headers thy-542y-c Exhaust Header for Toyota Truck 4Runner 22RE

#ad
Doug Thorley Headers #ad - Made in the USA with limited lifetime warranty. Ceramic coated inside and out. Carb approved, 50 state smog legal. Kit includes all required gaskets and/or installation hardware. Extra thick 14ga tubing and 3/8 inch thick flanges.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Width22 Inches
Part Numberthy-542y-c
Modelthy-542y-c
WarrantyLimited Lifetime Warranty

9. Doug Thorley Headers

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Doug Thorley Headers THY-470-C Short Block Exhaust Header for Nissan Xterra/Frontier/Pathfinder 4.0L

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Doug Thorley Headers #ad - Extra thick 14ga tubing and 3/8 inch thick flanges. Kit includes all required gaskets and/or installation hardware. Made in the USA. Ceramic coated inside and out. Limited lifetime warranty.
BrandDoug Thorley Headers #ad
ManufacturerDoug Thorley Headers #ad
Height10 Inches
Length40 Inches
Width22 Inches
Part NumberTHY-470-C
ModelTHY-470-C
WarrantyLimited Lifetime Warranty