Headers & Manifolds

GrimmSpeed 15-21 Subaru WRX Equal Length Exhaust Header

Designed with strength and reliability in mind, the BD Diesel 7.3L Power Stroke exhaust manifolds feature a 37.5% thicker casting wall compared to stock. Combine this with solid mounting lugs that extend all the way to the cylinder head, the BD Manifold...

Designed with strength and reliability in mind, the BD Diesel 7.3L Power Stroke exhaust manifolds feature a 37.5% thicker casting wall compared to stock. Combine this with solid mounting lugs that extend all the way to the cylinder head, the BD Manifold...

Designed with strength and reliability in mind, the BD Diesel 7.3L Power Stroke exhaust manifolds feature a 37.5% thicker casting wall compared to stock. Combine this with solid mounting lugs that extend all the way to the cylinder head, the BD Manifold...

GrimmSpeed 22-25 Subaru WRX (FA24) Equal Length Header

These manifolds have both the inlet, and the outlet ports machined to match the factory gaskets. This allows for maximum flow, without compromising gasket performance. These manifolds have 25% Thicker walls than the warp-prone factory manifolds. The...

These manifolds have both the inlet, and the outlet ports machined to match the factory gaskets. This allows for maximum flow, without compromising gasket performance. These manifolds have 25% Thicker walls than the warp-prone factory manifolds. The...

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won...

BD Diesel 14-24 RAM 2500-5500 6.4L Hemi Driver Side Exhaust Manifold

BD Diesel 14-24 RAM 2500-5500 6.4L Hemi Exhaust Manifold Kit

Solve your exhaust manifold rusting and cracking problems once and for all with BD’s enhanced Ford 6.2L exhaust manifolds. Built with 0.275” uniform thick walls, BD’s manifolds are 75% thicker than OEM to combat warping and cracking. Designed to be a...

Solve your exhaust manifold rusting and cracking problems once and for all with BD’s enhanced Ford 6.2L exhaust manifolds. Built with 0.275” uniform thick walls, BD’s manifolds are 75% thicker than OEM to combat warping and cracking. Designed to be a...

Solve your exhaust manifold rusting and cracking problems once and for all with BD’s enhanced Ford 6.2L exhaust manifolds. Built with 0.275” uniform thick walls, BD’s manifolds are 75% thicker than OEM to combat warping and cracking. Designed to be a...

Experience performance and durability with the enhanced Duramax exhaust manifolds, specifically designed for the 2001-2016 6.6L Duramax engines. The BD upgraded manifolds remove the flow restriction found on the 2001-2006 model driver's side manifold and...

Stainless Works Ford Triton 6.8L V-10 Motorhome Headers 1 3/4in Primaries High-Flow Cats 3in Leads