Flowtech Upright Headers
Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish
$296.06 Holleydays Price
Starting at $27 a month with Learn More
- CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
- Heavy duty 16-gauge 409SS tubing for increased strength and durability
- 2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
- Extended 4” collector for maximum strength and exhaust flow
- Extra thick 7/16” header flange for a leak-free seal and maximum strength
- Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
- Center of exhaust port to end of collector length is 33-1/2"
|Application||Big Block Chevy|
|Collector Diameter||4 inch|
|Primary Tube Dia.||2-1/4 inch|
|Tube Material||409 Stainless Steel|
This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.