2000-2006 Jeep Wrangler TJ 4.0L Header Stainless Steel
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*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
2000–2006 Jeep Wrangler TJ 4.0L Header Stainless Steel
Stainless steel header engineered for the TJ 4.0L to improve exhaust scavenging and flow. Built from corrosion-resistant stainless construction, this header replaces the factory cast manifold with a mandrel-bent design. Direct bolt-on fit at factory mounting locations.
Key Features
- Mandrel-bent tubing — Maintains consistent diameter through each bend for unrestricted flow.
- Stainless steel material — Resists rust and thermal degradation over time.
- Factory bolt-on design — Uses existing engine bay mounting points, no modification needed.
Specs
- Material: Stainless Steel
- Design: Mandrel-bent primary tubes
- Configuration: Direct-fit header assembly
What's Included
- Header assembly
Frequently Asked Questions
Will I need new gaskets or fasteners to install this?
Factory head bolts will work, but you should use a quality gasket set rated for your engine. Existing hardware is reusable if in good condition — inspect before assembly.
Does this header need to be painted or ceramic coated?
Stainless steel will develop heat patina over time and won't rust. Ceramic coating is optional — many run these bare for the natural stainless look, or coat them if you prefer a finished appearance.
What's the difference between this and the factory cast manifold?
The factory manifold is cast iron and restrictive. This header's tubing design improves exhaust scavenging and flow, which supports better engine breathing. Temperature management is also more consistent with stainless construction.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.