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#2: 08-14-2012, 08:32 PM
Visualrinse's Avatar
Title: Junior Member
Location: Peoria
Car: 09 Subaru Legacy 2.5i Special Edition
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Any input from of the experts here? I know my questions are pretty pedestrian, but I could use some input.

If the cat back says it's 7-10% boost, and the filter is 14.9 HP (

What does this do to a 2.5i?

170 + 14.9 + (170*.10)


Just curious on how the calcs work.

Last edited by Visualrinse; 08-14-2012 at 08:36 PM..