Hooker BlackHeart Stainless Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series (Pair) 8503HKR COR21245 Improves clutch operation while reducing

Improves clutch operation while reducing wear and temperature

1990-1991 GMC R3500

ClevorSince 1938

USR Series

Hooker BlackHeart Stainless Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series (Pair) 8503HKR COR21245 Improves clutch operation while reducingHooker BlackHeart Stainless Exhaust Manifold 2 1 2 in Outlet GM LS Series (Pair) Hooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR and family. The new stainless steel manifolds offer a number of advantages over the cast iron version, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight tuck design means you can route