Exhaust Manifolds

Flowtech LS Swap Exhaust Manifolds 2.25" Outlet Silver 31730-1FLT Multi-fit - 2.25 in. Outlet These Flowtech cast iron exhaust manifolds have a 2.25 inch outlet, natural cast finish and are designed to hug close to the engine block so they fit into a...

Flowtech LS Gen III/IV Swap Exhaust Manifolds 2.25" Outlet Black 31730-3FLT   Multi-fit - 2.25 in. Outlet These Flowtech cast iron exhaust manifolds have a 2.25 inch outlet, natural cast finish and are designed to hug close to the engine...

Flowtech LS Swap Exhaust Manifolds 2.25" Outlet Natural 11730FLT Multi-fit - 2.25 in. Outlet These Flowtech cast iron exhaust manifolds have a 2.25-inch outlet, natural cast finish, and are designed to hug close to the engine block so they fit into a...

Hooker Blackheart Gen III/IV LS-Swap Exhaust Manifolds Black - 1-3/4" Rear Dump SBC Exit Multi-Fit - GM Gen III/IV LS Engines - 2.50-in. Outlet For applications or projects where our standard LS swap manifolds (8501HKR, 8502HKR, 8503HKR...

Hooker Blackheart Gen III/IV LS-Swap Exhaust Manifolds Natural - 1-3/4" Rear Dump SBC Exit Multi-Fit - GM Gen III/IV LS Engines - 2.50-in. Outlet For applications or projects where our standard LS swap manifolds (8501HKR, 8502HKR, 8503HKR...

Hooker Blackheart Gen Gen III/IV LS-Swap Exhaust Manifolds - 2.50" Rear Dump / Black Finish Hooker BlackHeart cast iron rear dump exhaust manifolds have a 2.50-inch outlet and may fit where our standard LS and LT swap manifolds will not. These...

Hooker Blackheart Gen Gen III/IV LS-Swap Exhaust Manifolds - 2.50" Rear Dump / Natural Finish Hooker BlackHeart cast iron rear dump exhaust manifolds have a 2.50-inch outlet and may fit where our standard LS and LT swap manifolds will not. These...

Hooker Blackheart LS Swap Gen III/IV Exhaust Manifolds Central Dump - Black Finish 8504-3HKR Multi-Fit - GM Gen III/IV LS Engines - 2.50 Inch Outlet - Block Hugger Style with Center Dump Outlet For applications or projects where our existing LS and...

Hooker Blackheart LS Swap Gen III/IV Exhaust Manifolds Central Dump - Silver Ceramic Finish 8504-1HKR Multi-Fit - GM Gen III/IV LS Engines - 2.50 Inch Outlet - Block Hugger Style with Center Dump Outlet For applications or projects where our existing...

Hooker Blackheart LS Swap Gen III/IV Exhaust Manifolds Central Dump - Natural Cast Finish 8504HKR Multi-Fit - GM Gen III/IV LS Engines - 2.50-In. Outlet - Block Hugger Style with Center Dump Outlet For applications or projects where our existing LS and...

Hooker Blackheart LS-Swap Gen III/IV Exhaust Manifolds 2.25" - Black Finish 8501-3HKR Multi-fit - 2.25 in. Outlet These Hooker BlackHeart cast iron exhaust manifolds have a 2.25 inch outlet, black ceramic finish and are designed to hug close...

Hooker Blackheart LS-Swap Gen III/IV Exhaust Manifolds 2.50" - Polished Finish 8503-1HKR Multi-fit - 2.50 in. Outlet Hooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on...