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Yes
Have one for a long period.
Very loud after 3400 rpm
You can’t hear original music anymore.
But extremely good engine response, no vibrations, no hesitation at all.
Top engine speed raise +500 rpm/
 

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I tend to go in another direction when I read stuff like this on a someones write-up on their own product.

"Stealth technology being introduced to allow you both power and quiet performance."
 

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johnbaker15 said:
I tend to go in another direction when I read stuff like this on a someones write-up on their own product.

"Stealth technology being introduced to allow you both power and quiet performance."
I was wondering if you were alleging that one of the other posters was the producer of the exhaust, THEN I saw it was RSR. IIRC, they are among the kings of vaporware products (namely their LT clutch) and have all kinds of drivel on their site, including the #@$% You page directed at their disparagers. Am I confusing them with someone else?
 

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I don't know much about those guys but their comments on the larger fuel injectors seem suspicious. Without a program map change, bigger injectors will do nothing. So I'm suspicious of their stuff, but I have no experience with them to go on.
 
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