Doug's Headers D326 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 70-81

Doug's Headers D326 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 70-81 Review

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Doug's Headers D326 1-7/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 70-81 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 D309Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Chevrolet Passenger Car/Wagon 409 58-64

Doug's Headers D309Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Chevrolet Passenger Car/Wagon 409 58-64 Review

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Doug's Headers D309Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Chevrolet Passenger Car/Wagon 409 58-64 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 D6512 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Street Rod Universal 351C

Doug's Headers D6512 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Street Rod Universal 351C Review

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Doug's Headers D6512 1-3/4" 4-Tube Shorty Metallic Ceramic Coated Exhaust Header for Street Rod Universal 351C 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 D3364Y-6 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-91

Doug's Headers D3364Y-6 1-5/8" Tri-Y Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 73-91 Review

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Doug's Headers D3364Y-6 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 D307 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Street Rod Ford Small Block Chevrolet 28-34

Doug's Headers D307 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Street Rod Ford Small Block Chevrolet 28-34 Review

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Doug's Headers D307 1-3/4" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Street Rod Ford Small Block Chevrolet 28-34 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 D109 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Rambler V8 66-69

Doug's Headers D109 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Rambler V8 66-69 Review

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Doug's Headers D109 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for AMC Rambler V8 66-69 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 D3399Y-1 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Big Block Chevrolet 86-91

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

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Doug's Headers D3399Y-1 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header 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 D358 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 58-64

Doug's Headers D358 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 58-64 Review

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Doug's Headers D358 1-5/8" 4-Tube Full Length Metallic Ceramic Coated Exhaust Header for Small Block Chevrolet 58-64 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 D755Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Oldsmobile Motor Home 455 73-78

Doug's Headers D755Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Oldsmobile Motor Home 455 73-78 Review

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Doug's Headers D755Y 1-3/4" Tri-Y Metallic Ceramic Coated Exhaust Header for Oldsmobile Motor Home 455 73-78 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-2SP 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-2SP 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-2SP 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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