Borla CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round x 10in SPECIAL-ORDER BUILD-IT KIT:

BUILD-IT KIT:

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Borla CrateMuffler Resonator Option 2.25in Center/Center 3.5in Round x 10in SPECIAL-ORDER BUILD-IT KIT:Manufacturer Part # : 400937 Market Description Perfect for applications with limited space. If you want to lower the sound pressure level (SPL) of your CrateMuffler(r)s, you can install this resonator. This compact bottle bullet style resonator can also be used as a universal resonator in any system of this diameter. The Resonator is designed to attenuate overall sound. This is perfect for customers looking to reduce the sound level 2 3 dB(A). This