QTP 3.50 Inch AR3 Muffler Y50 These springs are made in

These springs are made in the USA and are engineered to optimize the factory shock absorber damping and offer a 0

Outflows factory intake by 11%

PRO-TRUCK Shock (rear)

2017 GMC Yukon All Rear 0-1

* CNC machined billet rear coil spring spacers with polyurethane sound isolators

QTP 3.50 Inch AR3 Muffler Y50 These springs are made inWe recognized through our own racing program that something was missing in the industry. The AR3 Muffler was born. The AR3 delivers a high quality muffler with a compact design with excellent flow characteristics while helping drivers and tracks support environmental concerns. The AR3 Muffler delivers maximum performance in a small, lightweight package. A low profile height combined with a free flowing perforated internal baffle to minimize resonance.