Exhaust Header for 1991-1999 Jeep Wrangler TJ YJ Cherokee XJ Grand Cherokee ZJ 4.0L Straight 6 Cylinder Engine
DESCRIPTION
High-performance headers engineered from T-304 stainless steel with precision CNC flanges and mandrel-bent tubing. Designed to maximize exhaust flow, improve scavenging efficiency, and deliver measurable power gains for Jeep 4.0L applications.
• T-304 Stainless Steel Construction
• 1.500" Inlet | 2.125" Outlet
• TIG-Welded CNC Machined Flanges
• Direct Bolt-On Installation (No Modifications)
• +10-15 HP/Torque Gain
• Improved Exhaust Velocity & Flow
• Professional Installation Recommended
Fitment:
| VEHICLE NAME | Year | Engine |
|---|---|---|
| Jeep Cherokee | 1991~1999 | 4.0L |
| Jeep Grand Cherokee | 1993~1999 | 4.0L |
| Jeep Wrangler | 1991~1995|1997~1999 | 4.0L |
POLICY
- Ships from nearest warehouse within 1 business day, arrives in 5-8 days（most area in 7 days）
- 30-day return policy
- 2-year replacement warranty
Note:
- Contact Us First: If you encounter any issues with your order, please reach out to us immediately. We're committed to resolving any concerns quickly and to your satisfaction.
-
Feedback Consideration: Before leaving neutral or negative feedback, give us a chance to make things right. We'll work diligently to provide a solution that meets your needs.
- Contact Email: support@samexhaust.com
Our Policies
SHIPPING
Ships from nearest warehouse within 1 business day, arrives in 5-8 days (most areas in 7 days).
RETURNS
30-day return policy for all products.
WARRANTY
2-year replacement warranty on all parts.
OEM EXHAUST MANIFOLDS VS PERFORMANCE HEADERS
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.