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Doug's Headers 1971-81 Jeep CJ5/6/7 with AMC 304 V8 1 5/8" TRI-Y Header with Metallic Ceramic Coating D1104Y

Doug's Headers 1971-81 Jeep CJ5/6/7 with AMC 304 V8 1 5/8" TRI-Y Header with Metallic Ceramic Coating D1104Y
$1,346.99 st
NEWARRIVING SOONEstimated Ship Date 09/11/2026 (If Ordered Today)
Model: 5124397
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.
Features:
  • 3/8" thick machined flanges to prevent warping
  • CNC mandrel bent tubes ensure accurate fit and better flow
  • Heavy 16-guage tubing for longer life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name File Size
D1104Y.pdf376.98KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Jeep CJ5 1971 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1972 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1973 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1974 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1975 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1976 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1977 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1978 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1979 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1980 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ5 1981 5.0L / 304 / V8 Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ6 1971 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ6 1972 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ6 1973 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ6 1974 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ6 1975 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1976 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1977 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1978 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1979 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1980 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver
Jeep CJ7 1981 5.0L / 304 / V8 AMC Motor Only with Dog leg exhaust port.
Full-length
Metallic Ceramic Coated
Tri Y
Silver

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 2.5 IN
Collector Port Diameter 2.5 IN
Cylinder Head Port Shape SAP
Design Full-length
Finish Metallic Ceramic Coated
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Material Steel
Header Style Full-length
Material Steel
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape SAP
Primary Tube Outside Diameter 1.625 IN
Proposition 65 www.P65Warnings.ca.gov
Sheen Level Semi-Gloss
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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Doug's Headers 1971-81 Jeep CJ5/6/7 with AMC 304 V8 1 5/8" TRI-Y Header with Metallic Ceramic Coating D1104Y: