What's the Ford f150 exhaust tip size?

The Ford F-150 comes standard with A3inch inner diameter tip on the exhaust, this will flare out to a 3.5 inch diameter at the end of the tip. This is designed to bolt directly onto Your stock exhauSTSystem that is in the truck that runs 2.5 inch pipes from the engine to the rear of the vehicle. If You need to replace the tip there are some aftermarket options on the market. Some are designed to be clamped onto the exhaust while others are designed to be welded on. If You want more power and performance from Your truck You can always get a larger exhaust which will allow more air to flow through it and increase power.