General engine questions/issues that aren't specific to the other categories
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By kapow
#218331 Can't decide which muffler to choose, they both sound good

Either a Spoon N1 or Mugen twin loop

Anyone tried any of these?
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By kapow
#218332 Does anyone know the decibel reading of either exhaust (93db is max by law)
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By Mordiiax
#218489 Mugen Twin Loop if you can afford it ;)
I have the Spoon N1 and i am very satisfied with it. Perfect sound.
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By That One Dude
#218494 +1 on Twin Loop. Performs like a champ, soooper quiet.
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By kapow
#218673 Anyone know if either of those mufflers are noise legal?
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By Mordiiax
#218697 My setup:
B16A2 with aebs intake manifold and tuned ecu
Testpipe
Integra Type R midpipe
Spoon N1

=

89db @ full throttle passing the measuring instrument
By ZCmike
#219892 Spoon n1 for me. it sounds great.