AFE Twisted Steel Headers part # 48-46008-YC (includes dual, hi-flow, 400 CPSI, stainless steel catalytic converters) fits 2010-16 Toyota Tundra V8 5.7L. Reserve this “Street” version thru Marken performance as it produces +33 horsepower and +30 lbs. x ft. of torque @ wheels (tested on a 2014 Toyota Tundra V8-5.7L). The 1-3/4" primary tubing which merge into a 3" collector headers are designed to retain the factory air injection giving you provisions for all factory emissions equipment. Mounts directly to OE mounting locations.
Part # 48-46008-YN is for race use only as this one has no catalytic converters.