Borla CrateMuffler Resonator Option 2.5in Center/Center 3.5in Round x 10in hats A simple cut (at the

A simple cut (at the factory cut point) is all it takes

All of these features combine to create the ATAK sound level

Borla 09-15 Mitsubishi Lancer Ralliart 2

AWE Tuning Audi B8 A4 Touring Edition Exhaust - Single Side Diamond Black Tips

Borla CrateMuffler Resonator Option 2.5in Center/Center 3.5in Round x 10in hats A simple cut (at theBorla CrateMuffler Resonator Option 2. 5in Center Center 3. 5in Round x 10in Perfect for applications with limited space. If you want to lower the sound pressure level (SPL) of your CrateMuffler, you can install the Resonator Option. The Resonator Option is designed to attenuate overall sound. This resonator can also be used in any system of this diameter. This is perfect for customers looking to reduce the sound level 2 3 dB(A). This straight through