aFe Atlas 4" Cat-Back Exhaust System without a Muffler or Tip for 2011, 2012, 2013 and 2014 3.5L EcoBoost F150s.Looking to make your EcoBoost rumble? aFe's 4" Atlas cat-back exhaust is much bigger than the factory exhaust which greatly increases both horsepower and sound. Full mandrel bent aluminized steel tubing comes complete with a muffler delete, OE style bayonet hangers, band clamps and all hardware necessary for a hassle-free installation. This Atlas cat-back exhaust kit does not include an exhaust tip.
Smooth curves and increased tube diameter help remove restriction and keep exhaust gas flowing smoothly for increased horsepower and torque. Bends with smooth transitions allow for low turbulence, increased horsepower, torque and improved throttle response. A muffler delete means continuous 4" tubing carries exhaust gases to their exit with absolutely no restriction.
The Atlas cat-back exhaust system uses all factory mounting locations providing stability and a hassle-free installation. A high quality OE style flange and band clamps are used for a complete 360° sealing surface, eliminating leak paths. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for a factory fit that does not change over time.
All aFe exhaust systems are engineered and manufactured in Corona, California.
Advanced Flow Engineering, Inc. (aFe) produces high flow air filters and intake systems, exhaust systems and tuning devices for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. aFe's purpose was not just to be another vendor that offers intake and exhaust systems, they chose to pay attention to those finer details that set an aFe air filter and cat-back apart from the competition.
*Does NOT include an exhaust tip.
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