Tri-Y Headers for 65-81 GM 265-400 SBC 1-5/8in Primary Ceramic Coated D375Y unisex 1L/V8 2007 GMC Sierra 2500

1L/V8 2007 GMC Sierra 2500 HD Classic 8

Notes: NOT Intended for vehicles equipped with Bi-Mode (NPP) Exhaust Option

This system fits all single cab and extended cab models in both 2 and 4 wheel drive

6 V8 1966 - 1969 Chevrolet C10 Pickup 327/5

Sniper EFI's new 92mm and 102mm billet aluminum LS throttle bodies give you a great way to improve engine performance without breaking the bank

Tri-Y Headers for 65-81 GM 265-400 SBC 1-5/8in Primary Ceramic Coated D375Y unisex 1L/V8 2007 GMC Sierra 2500Overview: 65 77 Various GM SBC Tri Y Silver Ctd Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. This fitment is tailored for popular aftermarket engine