aFe POWER Twisted Steel long-tube headers for 2005–2011 Toyota Tacoma V6‑4.0L are constructed from 1-5/8" 16-gauge 409 stainless tubing with CNC laser-cut flanges and a 3-to-1 mitered merge to improve pulse control. The kit includes 300 CPSI metallic high-flow catalytic converters, gaskets and mounting hardware and is designed as a bolt-on replacement that retains factory sensors.
aFe 05-11 Toyota Tacoma V6-4.0L Twisted Steel 409 Stainless Steel Long Tube Header w/ Cat