Doug's Headers D3398-SP 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 01

Doug's Headers D3398-SP 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 01 Review

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Doug's Headers D3398-SP 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header with Single Smog Pump Fitting for Big Block Chevrolet 01 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 D4476 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Durango 5.7 Hemi 04

Doug's Headers D4476 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Durango 5.7 Hemi 04 Review

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Doug's Headers D4476 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Durango 5.7 Hemi 04 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 D4470 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 04-05

Doug's Headers D4470 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 04-05 Review

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Doug's Headers D4470 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Molar Truck 5.7 Hemi 04-05 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 D3316 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Motor Home 8.1L 01-03

Doug's Headers D3316 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Motor Home 8.1L 01-03 Review

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Doug's Headers D3316 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Chevrolet Motor Home 8.1L 01-03 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 D315 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 55-62

Doug's Headers D315 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 55-62 Review

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Doug's Headers D315 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 55-62 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 D3367Y-4 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-91

Doug's Headers D3367Y-4 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-91 Review

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Doug's Headers D3367Y-4 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-91 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 D3345 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Big Block Chevrolet 92-95

Doug's Headers D3345 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Big Block Chevrolet 92-95 Review

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Doug's Headers D3345 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Big Block Chevrolet 92-95 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 D3342 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87

Doug's Headers D3342 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 D3342 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 D3353-3 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 00-01

Doug's Headers D3353-3 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 00-01 Review

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Doug's Headers D3353-3 1-5/8" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 00-01 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 D310 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87

Doug's Headers D310 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-87 Review

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Doug's Headers D310 1-5/8" 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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