Stainless Works 2-inch long-tube header kit, performance-connect, for 2020–2021 Silverado HD 6.6L is supplied with performance-style connections intended to mate with upgraded exhaust systems. Specified for the 6.6L Silverado HD model years, this long-tube header kit uses 2-inch primaries and is designed to integrate with performance-oriented exhaust layouts while matching the vehicle’s application.
Stainless Works 2020-21 Silverado HD 6.6L 2in Long Tube Header Kit Performance Connect