2020-2024 3.0L Explorer ST/Aviator Kooks GREEN Downpipes

WARNING: This is a Competition Use ONLY Product manufactured and sold for installation on vehicles to be used solely for competition motorsports, which, once such product is installed, may never be used, or registered or licensed for use upon a public road or highway. Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. ZFG Racing LLC does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer. If a Competition Use Only Products is installed on a vehicle and that vehicle is used on a public road or highway, it may be considered in violation of the Clean Air Act and personally subject to substantial civil penalties.

Performance Benefits

Upgraded downpipes allow the turbocharger(s) to spool up faster and maintain more boost than stock downpipes, resulting in increased power output and better overall engine performance. This upgrade also improves throttle response, and provides a more responsive and powerful driving experience.

Enhanced Exhaust Flow and Reduced EGTs: 

High flow cats are designed to allow exhaust gases to pass from the engine and turbos more freely compared to stock catalytic converters, resulting in a reduction of backpressure and a reduction in exhaust gas temperatures (EGTs).

The use of mandrel bent tubing ensures smooth exhaust flow post-cat, which maintains reduced back pressure and exhaust gas temperatures (EGTs) for optimal performance.

Better Flow = Faster Spool = More Boost:

Reduction of EGTs and decreased backpressure allows turbocharger(s) to operate more efficiently in terms of spool time and building boost.

Build Quality:

High-Quality 304 Stainless Steel

Downpipes constructed from 304 stainless steel offer superior durability and resistance to corrosion, ensuring long-lasting performance.

Clamps Included: Yes 

Color: Stainless Steel 

Finish: Stainless Steel 

Flanged Inlet: Yes 

Grade Type: Performance 

Inlet Inside Diameter: 3.000 in. 

Material: 304 Stainless Steel 

Outlet Outside Diameter: OEM