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The Angry One
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10,578 Posts
I know Thunderheader comes very highly recommended, and makes great power. Can be a little loud for some.
 

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41,420 Posts
D&D Fat Cat.
 

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805 Posts
There is no one perfect pipe...alot goes into a pipe..not just names and looks...you need to pick a pipe that is designed for a specific rpm and engine size along with good flow qualities
 

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Easy Rider
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31 Posts
I love my patriot defender 2 into 1.....haven't seen any like it so far in person anyways...
 

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222 Posts
+1 on Patriot Defender
 

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Banned
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181 Posts
2 into 1 technology is the best choice for most applications .
The VE of most engines is more realized with the two cylinders ( or more )combined.
That all said , size, length does matter.
The vendor should be happy to show you real dyno reports under various conditions.
Dont fall for peak HP BS
Look at the Torq at RPM you most likely operate in .
To fully achieve optimums either a dyno (esp one that has a GOOD dyno opertor) or a wide band oxy sensor AFR gauge will help.
 
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