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#9: 02-20-2013, 07:06 PM
 
 N.sane
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Title: Think. Feel. Drive.
Location: Richmond, BC
Car: 07 2.5i|RCE, AVO, STI
Posts: 2,526
iTrader: (21)
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Depends what you're looking for:

Cat-back: more sound, lose some low-end torque
Mufflers/axle-back: less sound, no loss in power