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1967-72 Chevy/GMC C/K Truck Small Block 1 5/8" TRI-Y Header with Hi-Temp Black Coating

1967-72 Chevy/GMC C/K Truck Small Block 1 5/8" TRI-Y Header with Hi-Temp Black Coating

Highlights

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.

  • 3/8” thick machined flanges to prevent warping
  • CNC mandrel bent tubes for an accurate fit and improved flow
  • Durable 16 gauge tubing
  • 1 5/8" Primary Tubing Diameter
  • 2.5" Collector Port Diameter
  • Oval Port Shape
  • Hi-Temp Black Coating
Why pick Doug's Hi-Temp Black Coating Finish?

Built for durability without the added cost of specialty coatings, our high-temp black finish delivers clean looks and reliable protection where it counts. Designed to withstand the heat of everyday performance, this coating helps guard against rust and corrosion while maintaining a smooth, uniform appearance. The sleek black finish offers a subtle, aggressive style that holds up under real-world conditions—making it a practical, no-nonsense choice for drivers who want solid protection and a classic look without the need for thermal barrier coatings.

$157.15

Original: $449.00

-65%
1967-72 Chevy/GMC C/K Truck Small Block 1 5/8" TRI-Y Header with Hi-Temp Black Coating

$449.00

$157.15

Product Information

Shipping & Returns

Description

Highlights

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.

  • 3/8” thick machined flanges to prevent warping
  • CNC mandrel bent tubes for an accurate fit and improved flow
  • Durable 16 gauge tubing
  • 1 5/8" Primary Tubing Diameter
  • 2.5" Collector Port Diameter
  • Oval Port Shape
  • Hi-Temp Black Coating
Why pick Doug's Hi-Temp Black Coating Finish?

Built for durability without the added cost of specialty coatings, our high-temp black finish delivers clean looks and reliable protection where it counts. Designed to withstand the heat of everyday performance, this coating helps guard against rust and corrosion while maintaining a smooth, uniform appearance. The sleek black finish offers a subtle, aggressive style that holds up under real-world conditions—making it a practical, no-nonsense choice for drivers who want solid protection and a classic look without the need for thermal barrier coatings.

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