BORLA 140862 Cat-Back™ System F-150 2021 2.7L/3.5L V6 AT 2+4WD 4DR CC SB EC STB (145.4" WB) LARIAT, KING RANCH, PLATINUM, LTD 3", 2.25" "TOURING" S RD RL AC SR TIP: 4" RD X 14" CHROME ymm_81 drivers can use the Sound

drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android) to regulate the valves

eliminating baffles and chambers and reducing weight by approximately 8 lbs

Dual 4" round black chrome on T-304 stainless steel tips per muffler

and Shelby

BORLA 140862 Cat-Back™ System F-150 2021 2.7L/3.5L V6 AT 2+4WD 4DR CC SB EC STB (145.4" WB) LARIAT, KING RANCH, PLATINUM, LTD 3", 2.25" "TOURING" S RD RL AC SR TIP: 4" RD X 14" CHROME ymm_81 drivers can use the SoundDescription BORLA 140862 Cat Back System F 150 2021 2. 7L 3. 5L V6 AT 2+4WD 4DR CC SB EC STB (145. 4" WB) LARIAT, KING RANCH, PLATINUM, LTD 3", 2. 25" "TOURING" S RD RL AC SR TIP: 4" RD X 14" CHROME This 3" diameter into dual 2. 25" BORLA Cat Back system is designed to enhance the power and sound of Ford F 150 models equipped with 2. 7L and 3. 5L engines, except for 3. 5L V6 PowerBoost, Raptor, Tremor, and Black Appearance Package. The system features