Hooker’s Competition Full Length Exhaust Header, part number 5903-1HKR, is engineered to enhance exhaust scavenging and maximize performance for Mopar 383-440 engines. Designed with the precision and expertise that Hooker is renowned for, these headers feature tuneless tubes and a long transition collector that reduces back pressure and optimizes exhaust flow. The meticulous crafting includes mandrel-bent stainless steel tubing with a robust metallic ceramic coating, ensuring a high resistance to heat and exceptional durability. Install these headers to ensure a smooth transition from engine to tailpipe, perfect for both DIY enthusiasts and professional mechanics aiming for increased horsepower and torque. The 5/16 in. machined flanges, coupled with welded O-ring seals, guarantee a leak-proof operation and a seamless fit. Compatible with an array of classic and muscle cars, including Dodge Challengers and Plymouth Barracudas, these headers are indispensable for any vehicle owner seeking automotive excellence. Don’t miss the opportunity to boost your ride’s performance and aesthetics with Hooker’s iconic design.

• Tuned length tubes for maximum exhaust scavenging
• Heat-resistant metallic ceramic coating for longevity
• Mandrel-bent tubing ensures optimal exhaust flow
• Long transition collector reduces back pressure
• 5/16 in. machined flanges for precise sealing
• Includes all necessary installation hardware

Application:	Automotive
Coated Finish:	Metallic Ceramic
Collector Diameter:	3in.
Primary Tube Diameter:	1.875 in.
Engine Make/Size:	Mopar 383-440
Head Style:	Long-Tube
Material:	Stainless Steel
Port Shape:	Same As Port
Tube Direction:	Down Swept
Warning:	WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

• 1965-1974 Dodge Coronet | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1972-1974 Dodge Coronet | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1967-1970 Plymouth Belvedere | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1967-1974 Plymouth Satellite | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1970-1971 Dodge Challenger | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1974 Plymouth Satellite | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1974 Dodge Coronet | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warr anty
• 1975 Chrysler Cordoba | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1965 Dodge Coronet | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1966-1974 Dodge Charger | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1966-1974 Dodge Charger | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1967-1970 Dodge Coronet | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1967 Plymouth Belvedere II | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1967-1971 Plymouth GTX | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1967 Plymouth Satellite | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/ Air Injection Pump w/o Modification
• 1968-1969 Plymouth Belvedere | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1968-1971 Plymouth GTX | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1968-1974 Plymouth Road Runner | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1968-1974 Plymouth Road Runner | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1969 Plymouth Satellite | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
• 1970-1971 Dodge Challenger | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification
• 1970-1971 Plymouth Barracuda | Note: Metallic Ceramic Coating; Tube Size 1.875 in. OD x 36 in.; Collector Size 3 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only;Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~Will Not Fit Motors Equipped w/Air Injection Pump w/o Modification