Stainless Works Headers - 1-7/8" Primary - 3" Collector - Y Pipe Included - Catted - Stainless - Natural - GM Fullsize Truck 2019-20 Headsets fits standard 1/2" NPT tapped

fits standard 1/2" NPT tapped holes in cylinder heads and manifolds

Circuit Breaker

1975-1981 Pontiac Grand Prix

Quiet Core

Stainless Works Headers - 1-7/8" Primary - 3" Collector - Y Pipe Included - Catted - Stainless - Natural - GM Fullsize Truck 2019-20 Headsets fits standard 1/2" NPT tapped2019 plus Chevy Silverado and GMC Sierra, 304 stainless steel, 3 8" thick flange, CNC mandrel bent 1 7 8" primaries into a 3" Slip fit collector. Catted leads, comes with Y pipe to connect to your factory exhaust. Vehicle Applications: 2019 2020 GMC Sierra 1500 2019 2020 Chevrolet Silverado 1500 Stainless Works is an industry leader in stainless steel performance headers and exhaust systems. In addition to designing our wide range of after market