Jeep Exhaust Header

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Jeep Exhaust Header FAQS

Fitments include 1991–1995 Wrangler YJ (2.5L L4) and 1997–1999 Wrangler TJ (2.5L L4). Verify your year and engine size before ordering.

Aftermarket headers on the 2.5L typically add 8–15 hp and improve low-end torque, most noticeable during trail climbing, towing, and off-throttle transitions.

Headers retain all OEM O2 sensor bungs. However, regulations vary by state — confirm your local off-road vs. street-use emissions rules before installing.

A home install is possible with basic hand tools and a torque wrench. Allow the engine to cool completely; expect 2–4 hours for YJ/TJ with tight engine bay access.

Yes. Run three heat cycles (idle to operating temp, cool fully) to cure any header coating and allow gaskets to seat. Retorque all bolts after the first cycle.

It fits 2006–2017 Dodge Ram 1500 with the 5.7L Hemi V8 — not a Jeep header. It's listed here but ships as part of SPELAB's Dodge performance catalog.