The Story
Highlights
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug’s long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.
- For LS Engine Swaps. See complete list of vehicles on the product page under view all applications.
- 3/8” thick machined flanges to prevent warping
- CNC mandrel bent tubes for an accurate fit and improved flow
- Durable 16 gauge tubing
- 1 7/8" Primary Tubing Diameter
- 3" Collector Port Diameter
- Round Port Shape
- Hi-Temp Black Coating
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.
Description
Highlights
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug’s long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.
- For LS Engine Swaps. See complete list of vehicles on the product page under view all applications.
- 3/8” thick machined flanges to prevent warping
- CNC mandrel bent tubes for an accurate fit and improved flow
- Durable 16 gauge tubing
- 1 7/8" Primary Tubing Diameter
- 3" Collector Port Diameter
- Round Port Shape
- Hi-Temp Black Coating
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.
