Flowmaster Force II Cat-Back Exhaust SystemFlowmaster introduces our Force II stainless steel cat back exhaust system for the 2021 2026 Ford F 150 trucks with the 2. 7, 3. 5, and 5. 0 Liter engines. This system uses the Super 50 series muffler for a moderate to mild sound level and increased performance. This 3 chamber muffler has a resonance chamber to reduce interior sound, ideal for towing or long haul situations. Mandrel bent 3. 00 inch to dual out 2. 50 inch 409 stainless steel tubing

The liner is a smooth bore PTFE contruction for ulitmate chemical resistance

Single-Adjustable ValvingSingle-adjustable struts are a good option for street-driven cars that also see occasional track use

ceramic friction materials

Adjustments can be made using high-quality QA1 Teflon lined spherical rod ends for quiet performance

Tubing - Anodized Black

The adjustable upper control arms allow for precise handling and improved traction by modifying the pinion angle

Bulkhead Nut sold separately

000" solid adjuster

Not compatible with rear lower control arms

The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end

thereby relieving unneccesary stress on the piston rod and seals

We’ve measured turbochargers at well above 900 degrees Fahrenheit