Try this mod, it does sound good. If you want louder go with after market.
DIY Exhaust Mod – Gain of 10+ HP!!!
or drill completely through the muffler like I did lol.
__________________
2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
|