Megan Racing Cat-Back Exhaust System for Ford Mustang 2.3L Turbo 2015-2019 - MR-CBS-FM15L4 Ruyage Radio 400 SS 2004 Chevrolet Silverado

400 SS 2004 Chevrolet Silverado 2500 WT 2003 - 2005 Chevrolet Silverado 2500 HD Base 2003 - 2006 Chevrolet Silverado 2500 HD WT

Base 1979 - 1982 GMC C1500 Suburban Sierra Grande 1979 - 1986 GMC C3500 Base

5i Premium 2009 - 2011 Subaru Impreza 2

637(Intake)/

Megan Racing Cat-Back Exhaust System for Ford Mustang 2.3L Turbo 2015-2019 - MR-CBS-FM15L4 Ruyage Radio 400 SS 2004 Chevrolet SilveradoBeing that an engine is basically a glorified air pump. Engine performance relies on how much air fuel mixture can enter and how much exhaust can exit the combustion chambers. Though it makes logical sense to maximize the engine's performance using free flowing intake and exhaust designs. Car manufacturers are forced to outfit vehicles with quiet, restrictive exhaust components in order to comply to sound and emissions regulations. Not exactly ideal