Looking to Increase the sound of your RS3, but still want control over how loud the system is? The Varex Muffler system in this kit gives you control over how loud you want to be. You can go from mild to wild with the push of a button. Featuring all stainless steel construction this cat-back starts at 3" and reduces down to 2.5" after the gases leave the muffler. Xforce finished this system off with 4" Oval tips to properly fill out the factory valance. 

Parts List:

1. ES-RS317 C1 (Front Y pipe)
2. ES-RS317 C2 (Rear Y Pipe)
3. 2 x 2 ½" Clamps
4. 2 x 2 bolt Gasket, Nuts, and Bolts
5. ES-RS317 VMKR (Varex rear muffler)
6. ES-RS317 TIPR+TIPL
7. VK02 (Varex Control Wiring Kit)