aFe Cold Air Intake System (4 IN ID to 4-1/2 IN ID) Straight Reducing Bellow-Coupler-Black(59-00021) 1726 Test-fitted on a dedicated G87

Test-fitted on a dedicated G87 exhaust fixture for guaranteed fitment

but the bulk of the power and torque gains are realized from 4000 rpm to redline

All are 100% clamp load tested

SRW 2018 Ford F-350 Super Duty SRW

Cartridge 2004 KTM 400 EXC Short Filter

aFe Cold Air Intake System (4 IN ID to 4-1/2 IN ID) Straight Reducing Bellow-Coupler-Black(59-00021) 1726 Test-fitted on a dedicated G87Magnum Force Intake Bellow Coupling Kit (59 00021) by aFe. The polyurethane construction is designed to meet modern elevated engine compartment temperatures with a reaction injection molded (RIM) polyurethane configuration. Standard stainless steel worm gear clamps provides tight connections, durability and is corrosion resistance for industrial, commercial, truck, off road and racing applications. aFe (Advanced Flow Engineering, Inc.) manufactures