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Anyone use or have a rb racing pro stock how do they run?

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7.1K views 20 replies 12 participants last post by  BadWeather  
#5 ·
The more cam overlap you run the worse that pipe behaves on the street in the 2000 to 3000 RPM area......there are many pipes on the market today that out perform the RB Racing Pipe and sound MUCH better than the RB Racing pipe.
Doc
 
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