This Flowmaster American Thunder cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks and is perfect for the person looking for a moderate sound level inside the cab area, with an aggressive exterior sound with all of the performance benefits that you expect from Flowmaster. This bolt-on emissions-legal system is for the Crew Cab and Double Cab models with 4.3L or 5.3L engines and comes with your choice of tailpipe exits, either dual out the rear under the bumper, or dual out the sides behind the rear tires. System features include stainless steel mandrel bent tubing flowing into a Super 40 series muffler and exiting with dual 2.50-inch stainless steel mandrel bent tailpipes. The system uses the factory hanger locations and is finished off with a pair of large 3.50-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.. 2014-2019* (*Classic body) GM Silverado/Sierra 1500 4.3L & 5.3L engines. - Aggressive to moderate sound. Flowmaster 14-19 GM1500 4.3L/5.3L CC&DC American Thunder Cat-Back Exhaust System. Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft or 2019 New body trucks.. Flowmaster American Thunder Cat-back Exhaust System. Aggressive Exterior with Moderate Interior Tone. Super 40 Series Performance Muffler. 1419 GM1500 43L53L CCDC AMT DORS. Custom Fit for Easy Installation. All Stainless Steel Construction. Lifetime Limited Warranty. Delta Flow Technology. SYS 14-19 GM1500 4.3. SYS 14-19 GM

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