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Doug Thorley Headers
Time-proven performance. Backed by 40-plus years of knowledge and experience, Thorley headers are designed to outflow your stock exhaust manifolds. These headers increase gas mileage and give your engine more horsepower across the entire rpm range.
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Doug Thorley Headers thy 114y Tri-Y, Steel, Nickel Chrome, Dodge, Plymouth, D, W, Series Pickup, SUV, 273, 318, 340, 360, Pair
Regular Price: $838.00
Special Price: $579.95
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Doug Thorley Tri-Y Headers thy 336c, Shorty, Tri-Y, Steel, Ceramic Coated, Chevy/ Pontiac, Camaro SS/ G8, 6.2L, V8, Pair
Regular Price: $810.00
Special Price: $560.95
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Doug Thorley Tri-Y Headers thy-375y-c, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Car, Truck, Small Block, Pair
Regular Price: $868.00
Special Price: $595.00
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THY-300Y-C Doug Thorley Tri-Y Headers Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Blazer, Pickup, Jimmy, Small Block, Pair
Regular Price: $878.00
Special Price: $615.00
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THY-313-C DOUG THORLEY HEADERS Product Name: CERAMIC COATING, 1967-1974 CAMARO, 1968-1974 NOVA, 1966-1974 CHEVELLE/EL CAMINO, 396-454, AUTO ONLY
Regular Price: $823.00
Special Price: $569.95
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DOUG THORLEY HEADERS THY-380-C, CERAMIC COATING, 1971-1994 PASSENGER CARS; 1976 CAMARO; 1978-1979 NOVA/CHEVY II; 1964-1987 CHEVELLE/EL CAMINO...
Regular Price: $764.00
Special Price: $534.95
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DOUG THORLEY HEADERS THY-375Y, 1967-1985 CAMARO; 1968-1977 NOVA; 1968-1985 CHEVELLE/EL CAMINO, 265-400
Regular Price: $762.00
Special Price: $533.00
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DOUG THORLEY HEADERS THY-304YC Headers, Tri-Y, Steel, Ceramic Coated, Chevy, Blazer, Pickup, Suburban, Jimmy, Big Block, Pair
Regular Price: $908.00
Special Price: $638.00
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DOUG THORLEY HEADERS THY-310Y-C, CERAMIC COATING, 1999-2008, TRUCK/SUBURBAN/TAHOE/YUKON, 4.8L-5.3L, 2/4WD, WITH EGR
Regular Price: $842.00
Special Price: $588.00
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