Exhaust Header · SKU SPAX-1047
Exhaust Header Manifold Fit Jeep Wrangler YJ 2.5L 1991-1995 Stainless Steel
A 1-3/4 inch stainless steel exhaust header manifold for the 1991-1995 Jeep Wrangler YJ with the 2.5L engine. The header ships as a complete unit with flanges, gaskets, and mounting hardware. Fitment is specific to the 1991-1995 YJ model and does not cover other Jeep models or engine variants.
- Fitment1991-1995 Jeep Wrangler YJ 2.5L
- ExclusionDoes not fit other Jeep models or engine variants
What You Get
Key Benefits
- 1-3/4 inch primary tubes improve exhaust flow and reduce back pressure compared to the restrictive factory manifold
Why Buyers Switch
Problems It Solves
- Factory cast iron manifolds crack under heat cycling and fail after years of use
- Mild steel aftermarket manifolds rust at the flange and gasket surfaces within a few seasons
- Poorly welded or misaligned flanges leak exhaust gas and cause engine performance loss
- Universal manifolds require cutting, welding, and custom fitting, which increases shop labour cost
Where It Is Used
Application Scenarios
- Off-road shops upgrading older Jeeps with improved engine breathing and torque response
- Distributors stocking vehicle-specific performance parts for classic Jeep owners
- Restoration workshops replacing rusted factory manifolds on 1991-1995 YJ models
- Online sellers needing a photographed, fitment-verified part with a clean product listing
Buyers
Who It Is For
- Performance parts distributors buying classic Jeep hard parts by the pallet
- Online auto parts sellers serving the 1991-1995 Jeep Wrangler YJ market
Construction
Technical Features
- Complete kit includes header, flanges, gaskets, and mounting hardware
- Bolt-on replacement geometry matches factory routing and mounting points
Data
Specifications
| Fitment | 1991-1995 Jeep Wrangler YJ 2.5L |
|---|---|
| Exclusion | Does not fit other Jeep models or engine variants |
Manufacturing
How It Is Made
Tube bending to match factory manifold routing
Final fit check against factory mounting points before packing
Checks
Quality Control
- Flange bolt pattern and sealing face checked before welding
- Weld seams inspected for pinholes and gaps along the full joint
Private Label
Customisation Options
- Private label packaging and barcode labels on request
- Bulk cartons available for container orders instead of individual retail boxes
Comparison
Compared With The Alternatives
| Factory cast iron manifold | The stock manifold is heavier and more prone to cracking under heat, this one is lighter and more durable |
|---|---|
| Universal cut-to-fit manifold | A universal manifold requires welding and fitting, this one bolts on without modification |
Installation
Use Guide
- Confirm the vehicle is a 1991-1995 Jeep Wrangler YJ with the 2.5L engine
- Let the engine cool completely before removing the factory manifold
- Replace the factory gaskets and use new hardware to ensure a leak-free seal
- Torque flange bolts evenly in a cross pattern to maintain flange flatness
- Recheck bolt torque after the first heat cycle to prevent leaks
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Answers
Questions About This Part
Will this fit a 1996 Jeep Wrangler YJ?
No. The part is designed for 1991-1995 Jeep Wrangler YJ models with the 2.5L engine only.
What size are the primary tubes?
1-3/4 inch. These match the factory header tube size for direct bolt-on fit.
What is included in the package?
One exhaust header manifold with flanges, gaskets, and mounting hardware. No additional parts are included.
Can we get our own brand on the box?
Yes. Private label packaging and barcode labels can be arranged, and bulk cartons are available for container orders.
Is this street legal where I sell?
Emissions rules differ by market and we make no emissions approval claim for this part. Check your local regulations before resale.
Get This Part Quoted
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