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Discussion Starter · #1 ·
Hey guys,

We have just tested the Helix prototype exhaust and got very good result with it. The exhaust sounded a little deeper than the stock exhaust and produced great whp gain. Also, please keep in mind this is a stock 05 350z with no modification except for the exhaust.

Here are the dyno graph (4wd Mustang on 91 octane):</span>

Before (stock Z):


After (with Helix prototype exhaust):


<span style="color:red">Comparision:



Thanks,
Tom
 
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