Stock Roadster Pipes
Dain said:
These before and after numbers were posted by member Skanska161 not by me, believe them or don't believe them. All I can say is I have a proud customer base they don't return to you unless you treat them well.

Dain
Click to expand...
IT is true ALL the aftermarket Exhaust systems require retuning and a free flowing air intake to produce the maximum HP the design is capable of producing
 
SavageRiver said:
Paul, you have an endless amount of knowledge compared to me. I need to research this but it looks like your crossover pipe might me the trick.
Click to expand...
HEY SAVAGE if you want the best performnce with the stock header use a free flowing slip on .
 
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