01-06 Avalanche/Sub/ Yukon XL American Thnder Throttle Bodies The reduction in intake air

The reduction in intake air results in an impressive 10 HP and 20 ft-lb of torque gain without any changes in the engine tune

or anywhere in between

Exhaust System - Cat-Back - Resonator Delete - 3 in Diameter - X-Pipe - Stainless - Natural - Cadillac CT5-V 2022-24 - Kit

improper installation

Exhaust System - Xtreme - Cat-Back - 3 in Diameter - Single Side Exit - Dual 4 in Black Tips - Stainless - Natural - Ford Fullsize Truck 2011-14 - Kit

01-06 Avalanche/Sub/ Yukon XL American Thnder Throttle Bodies The reduction in intake airExhaust System American Thunder Cat Back 3 in Diameter Dual Side Exit 4 in Polished Tips Steel Aluminized GM Fullsize SUV 2001 06 Kit