Category Archives: chevygmc

For Chevy/GMC Small Block 305-454 Painted Performance Header Manifold Exhaust

For Chevy/GMC Small Block 305-454 Painted Performance Header Manifold ExhaustFor Chevy/GMC Small Block 305-454 Painted Performance Header Manifold Exhaust. Our 4-1 Block Hugger off-road headers are designed to allow the exhaust gasses to flow more freely from each cylinder bank and combine in a more efficient manner. Block Hugger style headers are meant to be […]