This 4" Race Pipe provides maximum flow for your purpose built, race truck.
Will require minor changes to work with 20+
- No Bungs
- 4" Aluminized Steel Or 409 Stainless
- OE Style Hangers For Easy Installation
- Maximum Flow For Competition Applications
This free-flow test pipe requires the use of an aftermarket performance programmer with off-road tuning. For use on F-250/350/450 pickups