aFe 2000-2006 Jeep Wrangler TJ 4.0L Twisted Steel Header 409SS

Year Make Model SubModel Engine Fuel 2000-2006 Jeep Wrangler TJ L6 4.0L Gas   The new Twisted Steel performance header from aFe Power is redefining the header industry with the 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" thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. in recent dyno testing, this header produced 9hp and 10lbs. x ft. of torque. Twisted Steel headers are 100% bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA. Mitered Collectors:Mitered collectors extend the tube length into the flange which decreases turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Tig-Welded:100% TIG-Welded by certified craftsmen for race proven