1991–1995 Jeep Wrangler YJ 2.5L Exhaust Header Kit
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This exhaust header kit combines a tubular header, matching downpipe, and connection hardware for Jeep Wrangler YJ 2.5L exhaust system replacement and aftermarket supply. Four-runner construction is designed for the 2.5L four-cylinder engine's exhaust layout. Polished stainless steel tubing provides corrosion resistance and a clean finish.
Kit components include a manifold gasket, flange sealing gaskets, exhaust pipe clamp, spring bolts, and related mounting hardware, allowing you to source the main exhaust parts and connection accessories together. Material options, accessory combinations, product markings, labels, and packaging can be confirmed according to your order requirements. Exhaust headers, downpipes, and individual components are also available for bulk supply.
Kit components include a manifold gasket, flange sealing gaskets, exhaust pipe clamp, spring bolts, and related mounting hardware, allowing you to source the main exhaust parts and connection accessories together. Material options, accessory combinations, product markings, labels, and packaging can be confirmed according to your order requirements. Exhaust headers, downpipes, and individual components are also available for bulk supply.
| Specification | Details |
| Fitment | 1991–1995 Jeep Wrangler YJ, 2.5L Inline-4 |
| Material & Finish | Stainless Steel, Polished |
| O2 Sensor Port | One |
| Primary Tube Diameter | Approx. 1-1/2 in. |
| Collector Diameter | Approx. 2-1/2 in. |
| Downpipe Outlet Diameter | Approx. 2 in. |
| Kit Components | Exhaust header, downpipe, manifold gasket, flange gaskets, exhaust clamp and spring-bolt hardware |
| Packaging | Approx. 59 × 56 × 15 cm, 8.5 kg gross weight |
Matched Component Design
Exhaust header and downpipe share a coordinated interface design, reducing fitment issues caused by mismatched flange angles, connection points, or pipe routing when sourced separately. For replacement projects, you can obtain the main front exhaust components as a matched set and continue using the same configuration for future repairs and replacements.
Durable Stainless Steel Construction
Polished stainless steel tubing performs reliably under long-term exposure to exhaust heat, condensation, and external corrosive conditions while maintaining a clean surface appearance. Tubular construction and stable welded joints accommodate repeated heating, cooling, and vehicle vibration, helping reduce the risk of corrosion, leakage, or cracking around connection areas over time. More consistent durability also gives you greater confidence in continued use and subsequent sales.
Precision Flange Connections
Yueding uses CNC-machined flanges to maintain accurate mounting profiles, bolt-hole positions, and sealing surfaces. Pipe joints completed by skilled technicians using TIG/MIG welding help create stable connections between the header, collector, and downpipe. Matching sealing gaskets, clamp, and spring bolts further support each connection point, helping you reduce repeated adjustments caused by interface deviations, unstable sealing, or mismatched accessories.
