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Old 03-14-2017, 11:12 AM   #20
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Join Date: Aug 2015
Location: Eastern Shore, MD
Posts: 623
Originally Posted by thstone View Post
I dyno tested this cat back exhaust and the actual increase is 7hp at the very top end (no additional power in the low or mid-range).
There you go, you, you, you... "Debbie Downer" using facts to confuse us all!!! I have my top speed system and it's good for 23HP, It says so on the interwebs :-)
1966 912, 1976 911
1986 944, 2000 Boxster
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