Hedman Hedders Long Tube Headers - 1.625 in Primary - 3 in Collector - Black - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 Radio Belt The nitrogen-charged canister is available

The nitrogen-charged canister is available in a piggyback or remote configuration for ease of installation in tight areas

Improves Engine Efficiency

55:1 and 20:1

plus a host of additional inputs and outputs to control fans

1980-1985 GMC K3500

Hedman Hedders Long Tube Headers - 1.625 in Primary - 3 in Collector - Black - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 Radio Belt The nitrogen-charged canister is availableProduct Description: Headers Full 1. 625 in Primary 3 in Collector Gaskets Hardware Reducers Included Steel Black Paint GM LS Series GM Fullsize SUV Truck 1999 2007 Pair Hedman Hedders, began as a one man shop in 1954. Bob Hedman, founder of Hedman Hedders, sold his highly sought after exhaust tubes to fellow racers on the salt flats of the Mojave Desert. But, what started out as a way to make a few bucks to pay for Bobs racing hobby, quickly turned