aFe Diesel Exhaust Tip Bolt On Black 5in Inlet x 6in Outlet x 12in Long 2024-toyota-sienna-esi4707291 Variable-pitch barrel spring design for

Variable-pitch barrel spring design for improved body control

With a 4" inlet x 5" outlet and 12" inch length

Flashed directly through OBD-II Port (No TCU removal required)

HOW DOES THE FILTER KIT WORK

Before looking at the results below I must say that dynos and top mounted intercoolers are not a great mix

aFe Diesel Exhaust Tip Bolt On Black 5in Inlet x 6in Outlet x 12in Long 2024-toyota-sienna-esi4707291 Variable-pitch barrel spring design for100% TIG Welded by certified craftsmen for race proven strength and durability. TIG Welding provides the strongest welds reducing stress cracks. Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the powerband. High grade stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion. aFe has designed this system to retain all