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Check this out on ebay: http://cgi.ca.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=593705997
I e-mailed the guy and this is what he said. Tell me if you guys think its legit or not:
"ok I install it in my Prelude and its increase by 5.3 HP and some car like Altima may increase up to 7.6 I have the dyno proff but I just cannot show you...I don't have scannners. And the worst case like Civic Si its only gain 3.4 HP but on the average you getting more than 6 and cannot be more than 11 HP .... well this muffler can reduce the back flow, and less restriction.
You know how much HP can you gain if you buy my freflow 5 Zigen ? you gain at least 7 HP (japan car with manual) AT LEAST but it is LOUD !"
I know Jeff will have something to say here... :smile: Shed some light on the situation please.
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2003 BMW 540i 6-spd
2008 Toyota Rav4 Limited V6
2005 Mazda 3 Sport GT 5-spd (just sold)
1995 Nissan Maxima SE 5-spd... Best ET: 13.8... Best trap: 99mph (Gone)
1993 Toyota Camry LE (Gone)
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