i just noticed this tid bit from the Z-mag exhaust shot out:

Stillen
Weight......................................... 74 lbs
Tip Diameter ............................... 97mm
Piping Diameter .......................... 60mm
Sound Decibel at Idle.................... 84db
Sound Decibel at 3K rpm.............. 93db
Peak Horsepower .............................8.1
Peak Torque .....................................7.3

Nismo
Weight..........................................54 lbs
Tip Diameter ............ oval, 96 x 107mm
Piping Diameter .......................... 76mm
Sound Decibel at Idle ....................84db
Sound Decibel at 3K rpm ..............95db
Peak Horsepower .............................6.3
Peak Torque .....................................4.5

Borla
Weight..........................................52 lbs
Tip Diameter ............................. 105mm
Piping Diameter .......................... 60mm
Sound Decibel at Idle ....................88db
Sound Decibel at 3K rpm ..............92db
Peak Horsepower .............................8.2
Peak Torque ...................................2.72


the reason why i posted it is because by california law an exhuast should emit no louder than 95db:

http://content.sema.org/content/?id=8047

i got tagged for having a loud exhuast but was found not guilty after getting tested. i did notice that when they test the exhaust it has to comply with the 95db rule from 3K rpm to 5Krpm.

are these exhuasts that much louder (esp the stillen since i'm getting that exhaust)?? i have downloaded about 10 sound clips and movies on these exhuasts just to get a feel of what the sound like (and WOW do they sound good.). just want to know anyone's thought and inputs...any guys pulled over etc....lol.