AIRMASS THUNDER MUFF EMISSIONS-LEGAL HEADER KITS

Flocote™ internal ceramic finish increases exhaust flow for more power and better overall performance Triple-thick exterior ceramic coating fights rust and heat so your street machine's header lasts 10 times longer…or more! Exterior and interior ceramic coating. Custom fit and street legal. Bifurcated 4-2-1 tubing design for the most torque and horsepower (except where noted). CNC billet connector flanges (the best!) with O-ring seals ensure no warping, no leaks and no power loss. Ultra-smooth outer coating. Mandrel-bent thick-wall 16-gauge tubing retains heat for more power. Exclusive heli-arc nickel-bronze welds enhance looks, prevent leaks and resist cracking due to vibration. Shipped separately from factory. NOTE: SKU numbers ending in F are factory shipped and may take a little longer to reach you.