Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound Electronic Performance Upgrades " Mass Flow Return (MFR) technology

Mass Flow Return (MFR) technology is used to continually polish your fuel by keeping a positive pressure on the fuel being delivered to the engine to prevent cavitation along with galling and scoring

The aFe Stage 2 cold air intake produces up to 8HP and up to 17 lbs

PRE-FILLED

and also deteriorates the silicone boots-causing them to balloon and blow off

An optional LED upgrade kit is available and includes one 30-inch single row LED and two 10-inch slimline LEDs for powerful forward illumination

Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound Electronic Performance Upgrades " Mass Flow Return (MFR) technologyThe Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.