Borla CrateMuffler Resonator Option 2.5in Center/Center 3.5in Round x 10in 2003-porsche-boxster-roadster-s-esi5216589 Axle-Back system comes with a

Axle-Back system comes with a high-temperature ceramic black coating on the entire assembly including the single 3

The S-Type sound level provide the classic Borla(r) sound with no drone

Ford has raised the performance bar with the 1999-04 Supercharged 390-horsepower Mustang Cobra

In addition to adding head-turning sound

25" system features the mellow Touring sound with no drone inside the vehicle and exits through 4" bright chrome on T-304 stainless steel tips

Borla CrateMuffler Resonator Option 2.5in Center/Center 3.5in Round x 10in 2003-porsche-boxster-roadster-s-esi5216589 Axle-Back system comes with aPerfect 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 straight through design will not degrade the