Chevy CK Pickup 1975, 4-2-1 Steel Tri-Y Exhaust Headers with Adapters by Doug Thorley Headers®. Emissions: CARB compliant. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers will increase the power of your motor across the widest RPM band possible. That is the beauty of the design, and that is why they are the best street header available.
Fitment notes: This is a CARB compliant part, legal for use on vehicles built to meet CARB standards and/or registered in California and other states which follow CARB standards.
|Header Material: Steel|
|Emissions: CARB compliant|
|Header Style: 4:2:1 Tri-Y Header|
|Finish: Silver Ceramic Coated|
|Weld Up: Yes, adapters must be welded to exhaust system|
|Primary Tube Gauge: 14 Gauge|
|Collector Attachment: 3 Bolt Flange|
|Flange Thickness: 3/8"|
|Bolts and/or Studs Included: Yes|
|Gaskets Included: Yes|
|Y-Pipe (Crossover) Included: No|
|Quantity: Sold as a Pair|
|Warranty: Limited Lifetime to original purchaser|
For over 50 years, Doug Thorley Headers has been an innovator in the automotive aftermarket. Driven by a passion for performance and superior quality, they are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque. Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil.