The aFe Twisted Steel Header (48-46202) delivers improved performance for 2000-2006 Jeep Wrangler TJ models with the 4.0L I6 engine, featuring pulse control technology for optimal exhaust flow. This 409 stainless steel header provides gains of 8 horsepower and 8 lb-ft torque over the factory manifold while maintaining a direct bolt-on installation.
Key Features :
Direct-fit for 2000-2006 Jeep Wrangler TJ 4.0L I6 engines
1.5" diameter 14-gauge 409 stainless steel tubing
1/2" thick head flange for leak-free sealing
TIG-welded construction for durability
Optimized tube lengths and mitered collectors
Provides 8HP and 8TQ gains over stock
100% bolt-on installation - no modifications needed
Engineered and built in Corona, CA
The Twisted Steel header's innovative design features precisely calculated tube lengths and collector geometry to maximize exhaust flow velocity across the entire power band. The heavy-duty 1/2" flange ensures a perfect seal to the cylinder head, while the 14-gauge 409 stainless construction offers excellent heat resistance and long-term durability.
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