Flo Pro 2011-2015 Chev/GMC 6.6L, 5″ Downpipe Back Single Systems No Muffler – FLO SS664NM
Chev/GMC 6.6L 5″ Downpipe Back Single Systems
Flo Pro SS664NM Chev/GMC 6.6L 5″ Downpipe Back Single Systems are for a 2011-2015 Duramax 2500/3500 LML. This is a race exhaust with no muffler kit.
* IMPORTANT NOTE: The turbo direct pipe on some of the 2015 models has a 3-bolt flange instead of a V-band clamp. These kits will only fit models equipped with v-band clamp and will not work for trucks equipped with the 3-bolt flange off the turbo direct pipe!
Founded in 1981, FLO PRO Performance Exhaust has been manufacturing and distributing only the most durable quality muffler and exhaust systems for your vehicle. FLO PRO has proven it beats the competition with a louvered pipe that accelerates the exhaust flow through our mufflers. FLO~PRO performance mufflers are designed to boost the horsepower generated from your street vehicle. We also specialize in Diesel Performance carrying full systems for virtually every diesel truck.