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irondiezl3 · 04-10-2008, 02:53 PM

how much can a dual exhaust add. obviousley there are variables but generally or anyone that knowes from personal expirence? can you get 5hp out of it?

04-10-2008, 02:53 PM	#1
irondiezl3 GLS member Join Date: Feb 2008 Location: NY Posts: 1,226	how much does it add how much can a dual exhaust add. obviousley there are variables but generally or anyone that knowes from personal expirence? can you get 5hp out of it?