Published On May 20, 2019
Vote for your favorite! Team FMS Performance put together this 2019 Chevy Silverado 5.3 exhaust challenge using Flowmaster 40 series, Magnaflow, Borla Pro XS, Borla Atak, Flowmaster Super 10, Flowmaster Outlaw, and finished it up with straight pipe.
https://fmsperformance.com/shop/truck...
show more