aFe POWER Twisted Steel Header, 48-48023, for Jeep Fits select: 2008 ,2011 JEEP WRANGLER UNLIMITED

+6 HP and +6 lbs. x ft. Torque max gains 1-1/2" 14-Gauge 409 Stainless Steel Mandrel-Bent Tubing OE-style flanges for a leak-free seal Mitered Collectors Eliminates Flow-Block Turbulence Seen On Formed Collectors 100% hand MIG-welded Construction Ensures Optimal Strenth and Durability Optional Gasket Kit (P/N: 48-90004) Sold Separately Optional Spark Plug Wire Boot Protectors (P/N: 48-90001) Sold Seprarately