The Vibrant J-SPEC header outlet flange kit is intended for a header with a 2.5 inch outlet. Vibrant offers one of the largest ranges of exhaust manifold flanges in the industry, with exhaust port sizing optimized for either standard wall round tubing or Schedule 10 weld fittings.
- Type: header outlet flange kit
- Application: header with a 2.5 in outlet
- Exhaust port optimized for standard wall round tubing or Schedule 10 weld fittings
- Part number: 2599
FAQ
What is this flange kit for?
It is a header outlet flange kit sized for a header that has a 2.5 inch outlet.
How is the exhaust port sized?
The exhaust port is optimized for either standard wall round tubing or Schedule 10 weld fittings for a clean fit at the weld.
Is this part vehicle specific?
No. It is selected by the header outlet size rather than by a specific vehicle application.

