Doug Thorley Header 2003-2004 GX470 4Runner 4.7L V8

Stainless Steel Shortie Headers
2003-04 Toyota 4Runner
4.7L V8 (no air injection)

Header Style: Shortie Headers
Material: T304 Stainless Steel
Finish: Silver Ceramic Coated
Weld Up: Yes
Primary Tube Diameter: 1-5/8″
Primary Tube Gauge: 14 Gauge
Collector Attachment: Weld to factory catalytic converter
Collector Diameter: 2-1/2″
Tuned: No
Flange Thickness: 3/8″
Hardware Included: Re-use factory hardware
Gaskets Included: Yes
Reducers Included: No
Y-Pipe (Crossover) Included: No
Catalytic Converter(s) Included: No
CARB E.O. #:  D-540-7
Warranty: Limited Lifetime to original purchaser

Notes: These stainless steel shortie headers are a fantastic way to work some extra horsepower out of your 4Runner. Plus, they are a much more economical way to replace the crack-prone factory manifolds than heading to your local dealership. All American made, and backed by our lifetime warranty of course!