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Exhaust Manifold

Durable Cast Iron Exhaust Manifold
Precision Exhaust Gas Management

Heavy-Duty Cast Iron & Stainless Steel Exhaust Manifolds

Eliminate noisy exhaust ticks, crack-induced power loss, and fumes in the engine bay with our direct-replacement exhaust manifolds and high-flow headers.

Exhaust manifolds collect high-temperature combustion exhaust gases from the engine cylinder head ports and funnel them safely into the exhaust system. Our heavy-duty manifolds are cast from high-nickel iron alloys or tubular stainless steel to resist warping, heat cracking, and oxidation under severe driving conditions. Machined with precision deck surfaces, each unit guarantees leak-free sealing and optimal exhaust pulse scavenging.

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Up to 1 Year Warranty

All exhaust manifolds feature up to 1-year warranty coverage against casting cracks, flange warping, and manufacturing defects under normal operating heat cycles.

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Fast Shipping

Fast regional delivery with heavy-duty padding to protect machined flange faces and integrated studs from damage during transportation.

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What We Offer

Our Exhaust Manifold Range

OEM Cast Iron Manifolds

Factory-spec thick-wall cast iron manifolds for high thermal tolerance and exact bolt-on alignment with original downpipes.

Integrated Converter Manifolds

Modern manifold assemblies featuring integrated catalytic converter shells and factory oxygen sensor ports.

Performance Exhaust Headers

Mandrel-bent stainless steel headers designed to reduce exhaust backpressure and optimize high-RPM engine breathability.

Frequently Asked Questions

Everything you need to know about exhaust manifolds

Read common questions about manifold cracking, exhaust leak symptoms, gasket installation, and bolt replacement.

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Exhaust manifolds undergo extreme thermal expansion and contraction cycles reaching up to 1,200°F. Over time, metal fatigue, broken manifold bolts, or thermal shock (such as splashing cold water) can cause hairline cracks or warped mounting flanges.

Key signs include a sharp ticking or tapping noise upon cold engine startup that quietens down as the engine warms, visible soot stains around the cylinder head ports, raw exhaust odor inside the cabin, and lean O2 sensor fault codes.

Yes, most of our replacement exhaust manifold assemblies come complete with multi-layer steel (MLS) head gaskets, flange seals, and new mounting studs/nuts for a seamless repair.

Driving with a cracked manifold is unsafe as harmful carbon monoxide fumes can enter the vehicle cabin. Furthermore, cold air drawn back through the crack can burn exhaust valves and damage the catalytic converter.

Absolutely. Following factory torque specs and sequence prevents uneven flange stress and snapping studs in the cylinder head during thermal expansion.

Call +1 (855) 613-4411 with your vehicle's VIN and engine size to verify exact manifold configuration, heat shield mounting points, and sensor port locations.

Ready to Replace Your Exhaust Manifold?

Browse our extensive selection of OEM and performance exhaust manifolds or speak with an expert today.

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