Doug's Headers D303Y-SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 68-87

Doug's Headers D303Y-SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 68-87 Review

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Doug's Headers D303Y-SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 68-87 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 D629 1-3/4" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal 460

Doug's Headers D629 1-3/4" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal 460 Review

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Doug's Headers D629 1-3/4" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal 460 Feature

Doug's Street Rod Headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process. 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

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Doug's Headers D460 1-5/8" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal Small Block Molar

Doug's Headers D460 1-5/8" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal Small Block Molar Review

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Doug's Headers D460 1-5/8" 4-Tube Tight Tuck Metallic Ceramic Coated Exhaust Header for Street Rod Universal Small Block Molar Feature

Doug's Street Rod Headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process. 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

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Doug's Headers D4456 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 03

Doug's Headers D4456 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 03 Review

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Doug's Headers D4456 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 03 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 D3399Y-1SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 86-91

Doug's Headers D3399Y-1SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 86-91 Review

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Doug's Headers D3399Y-1SP 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 86-91 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 D670A2 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 351C 67-70

Doug's Headers D670A2 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 D670A2 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 D6681 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 4.6L 96-04

Doug's Headers D6681 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 4.6L 96-04 Review

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Doug's Headers D6681 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Ford Mustang 4.6L 96-04 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 D3346 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 88-98

Doug's Headers D3346 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 88-98 Review

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Doug's Headers D3346 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 88-98 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 D103 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Javelin V8 68-79

Doug's Headers D103 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Javelin V8 68-79 Review

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Doug's Headers D103 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Javelin V8 68-79 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 D3364Y-1SP 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Small Block Chevrolet 73-87

Doug's Headers D3364Y-1SP 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Small Block Chevrolet 73-87 Review

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Doug's Headers D3364Y-1SP 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting 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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