If you don't upgrade your intake, then the header won't have any effect because its sucking power is limited by your stock parts, which are designed specifically for the stock exhaust manifold.

I assured him that our 389 was not stock. Performance Years provided a set ... RARE manufactures its own manifolds and sells its exhaust components directly to the public. These pieces were ...

Mufflers or header swaps are perfect for enthusiasts seeking to fine-tune and improve the diesel engine's exhaust sound even ...

And tube headers can be tuned by design to complement the engine's intended torque range. Through these improvements, the simple replacement of your stock castiron exhaust manifolds with headers ...

Header and exhaust system designers use the diameter ... Shorty headers are generally better than stock, but be very careful when choosing this design for a modern engine. The factories are ...

After 14 years of dutiful service, we're ditching the stock parts and installing a fresh Bx Performance exhaust from stem to stern. While the Bassani headers we're using are made from mild steel ...

Materials like stainless steel or a stylish F150 exhaust tip adds toughness while making the truck look sharper.