This Force II® Cat-back stainless steel exhaust system is designed for 2011-2018 Chevrolet Silverado and GMC Sierra 1500 trucks with the 6.2L engine. Features include large 3.50-inch mandrel-bent tubing flowing into a Flowmaster 50 Series Big Block™ muffler for a muscular exterior sound, while the built-in Helmholtz chamber helps control the interior resonance. The system uses the factory hanger locations for an easy installation and is finished off with a highly polished 4.00-inch 304 stainless steel tip embossed with the Flowmaster® logo. This bolt-on system delivers noticeable performance gains while offering moderate interior and exterior sound levels and is covered by our Lifetime Limited Warranty.. Fits 2011-2018 Chevrolet Silverado/GMC Sierra 1500 trucks with 6.2L engine. Crew Cab/Short bed & Extra Cab/Standard bed models (143-inch wheelbase.). Flowmaster 11-18 GM 1500 143in. Wheelbase 6.2L Force II Cat-Back Exhaust System. Fits 2011-2018 Chevrolet Silverado/GMC Sierra 1500 trucks with 6.2L engine.. Flowmaster Force II Cat-back Exhaust System. 50 Series Big Block Performance Muffler. Large 3.50-inch Mandrel-bent Tubing. Dyno Tuned For Maximum Performance. Uses the Factory Hanger Locations. 1118 GM 1500 143 WB 62L FII SOS. Stainless Steel Construction. Lifetime Limited Warranty. Delta Flow Technology. SYS 11-18 GM 1500 14. Flowmaster Quality. SYS 11-18 GM

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