aFe POWER 03-09 Toyota 4Runner V6 4.0L / 10-14 Toyota FJ Cruiser V6 4.0L 76mm Billet Throttle Body 1966-mercedes-benz-230s-base-esi3989883 System also features Boryla's Polyphonic

System also features Boryla's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Supports up to 600 HP

Designed for use with 1996 to 2004 4

Fits 1998 1/2-2004 DOHC Ford Mustang Cobra

aFe POWER 03-09 Toyota 4Runner V6 4.0L / 10-14 Toyota FJ Cruiser V6 4.0L 76mm Billet Throttle Body 1966-mercedes-benz-230s-base-esi3989883 System also features Boryla's PolyphonicThis aFe POWER 76mm Throttle Body and adapter kit improves engine air flow over the stock 65mm throttle body. The extra air flow will increase horsepower and throttle response. This kit will work with OEM or aFe cold air intakes. Performance gains will be more noticeable as more upgrades are added to the vehicle. All adapters are constructed from 6061 T6 billet aluminum and are precision machined for light weight, high strength, and perfect fit and