God, the Science, the Evidence

CORSA Performance 14328BLK Cat-Back Exhaust (, Black Dual 4.5in Tip Xtreme2015 Ford Mustang GT 5.0 3in)

Flowmaster 817344 Force II Cat-Back Exhaust Kit 3 Inch Stainless Steel 3.5 Inch Polished 304 Stainless Steel Tip Compatible with 2000-2006 Chevy Tahoe GMC Yukon 4.8L 5.3L

Flowmaster 17106 Force II Cat-Back Exhaust Kit 2.5 Inch Aluminized Steel Compatible with 1987-1993 Ford Mustang GT 5.0L

Flowmaster 717967 FlowFX Extreme Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel Compatible with 2018-2024 Jeep Wrangler JL 2.0T

BORLA 140680 Exhaust System

BORLA 11811 Axle-Back System for 2009-2013 Chevrolet Corvette (C6) 6.2L V8 Automatic/Manual Trans. Coupe/Convertible. Will fit vehicles with and without NPP. BORLA system does not contain NPP valves

MagnaFlow Performance Exhaust System 15858: Cat-Back, Street Series, Compatible with 1998 Jeep Grand Cherokee

Flowmaster 17278 Force II Cat-Back Exhaust Kit 3 Inch Aluminized Steel with 3.5 inch Polished Stainless Steel Tips Compatible with 2000-2003 Dodge Dakota 4.7L 5.2L 5.9L V8