Doug's Headers D564 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 326-455 64-67

Doug's Headers D564 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 326-455 64-67 Review

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Doug's Headers D564 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 326-455 64-67 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D3337 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 67-69

Doug's Headers D3337 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 67-69 Review

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Doug's Headers D3337 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 67-69 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D3344 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87

Doug's Headers D3344 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87 Review

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Doug's Headers D3344 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87 Feature

Doug's 2WD Truck Headers Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D670S2 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 351C 67-70

Doug's Headers D670S2 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 351C 67-70 Review

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Doug's Headers D670S2 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 351C 67-70 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D3353-2 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 99

Doug's Headers D3353-2 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 99 Review

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Doug's Headers D3353-2 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 99 Feature

Doug's 2WD Truck Headers Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D3328 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 98-99

Doug's Headers D3328 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 98-99 Review

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Doug's Headers D3328 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 98-99 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D522 2" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 400-455 68-72

Doug's Headers D522 2" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 400-455 68-72 Review

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Doug's Headers D522 2" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac GTO 400-455 68-72 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D6673 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Small Block Ford 86-93

Doug's Headers D6673 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Small Block Ford 86-93 Review

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Doug's Headers D6673 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Small Block Ford 86-93 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D521 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac Catalina 326-455 65-68

Doug's Headers D521 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac Catalina 326-455 65-68 Review

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Doug's Headers D521 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Pontiac Catalina 326-455 65-68 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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Doug's Headers D3340 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 00-02

Doug's Headers D3340 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 00-02 Review

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Doug's Headers D3340 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Camaro LS1 00-02 Feature

Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

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