We offer a copy of the R- RSR design headers in sizes from 1.5- 1.750 inch (outer diameter of the tubes) . Constructed of drawn over mandrel mild steel, these fit right , connect to intermediate adapter tubes (included in the cost) . These come finished with black high heat paint, but suggest our extra cost plasma coated versions and we include the high quality gaskets.

Typical horsepower gain over stock systems is in the 12-15 hp range

Available with oxygen sensor bung for no extra cost (driver’s side or both sides).

Also available in Black Plasma or Polished aluminum plasma coatings (pictured) for looks and longevity.

Can be used with any OEM two inlet muffler, MK or similar two inlet mufflers.

For off-road use only. NOT for sale in California for pollution controlled vehicles. You will need to meet the terms and conditions outlined during the checkout process for this item.

NOTE: Our current supplier is shutting down after many years providing us with the best quality mild steel headers for the 911. PLEASE contact us before placing an order as it is subject to stock on hand. After April 15, 2025, we might no longer offer these products to the public