AFE Twisted Steel Headers; GM Silverado/Sierra 1500 14-15 V8-5.3L/6.2L

These aFe twisted steel headers feature:
•Constructed out of 16-gauge, 1-3/4" mandrel-bent stainless steel tubing for unrestricted flow
•4-to-1 mitered merge collectors eliminates flow-block turbulence seen on formed collectors
•Optimized tube lengths improve flow and performance
•100% hand MIG-welded construction ensures optimal strength and durability
•Potential for up to +18 horsepower and +26 lbs. x ft. of torque when combined with aFe's y-pipe (P/N 48-44004)

*Image for illustration purposes only, actual item may vary.