Flowmaster FlowFX Cat-Back Exhaust System - 3.5 in Diameter - Single Side Exit - 5 in Black Ceramic Tip - Stainless - Ford Fullsize Truck 2017-21 R10004S This product has two parts:

This product has two parts: a Control Head

eliminating two prime sources of leakage

Hurst Quarter Stick

99 in the quarter mile with sticky tires

14 mm Thread

Flowmaster FlowFX Cat-Back Exhaust System - 3.5 in Diameter - Single Side Exit - 5 in Black Ceramic Tip - Stainless - Ford Fullsize Truck 2017-21 R10004S This product has two parts:Fits 2 4 Wheel Drive and All Wheelbases 3. 50 inch mandrel bent 16 gauge 409 stainless steel tubing maximizes exhaust flow and improves durability 5. 00 inch black ceramic coated tip adds a custom look to the truck Includes complete hardware and factory styled hangers in the stock locations for an easy Installation FlowFX straight through" performance muffler delivers a deep, moderate performance tone and improves exhaust flow Backed by Flowmaster's