The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2 Inch thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful.

Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, Ca.

Features and Benefits:

• Tig Welded Construction
• Retains All OE Emission Components
• Optimized Primary Tube Lengths
• CNC Mandrel Bends
• Pulse Control Technology
• Limited Lifetime Warranty

Details:

• Application: Automotive
• Collector Tube Size: OEM
• Emission Code: 4
• Engine Make/Size: Mopar 4.0L
• Fuel Type: Gas
• Liter: 4.0 Liter
• Material: 409 Stainless Steel
• Port Shape: Same As Port/Can Be Matched
• Series: Twisted Steel
• Tube Diameter: 1.5 Inch
• Tube Direction: Up Swept
• Warranty: 2 Year

Applications:

• Jeep Wrangler (YJ/TJ) 91-99 L6-4.0L