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Discussion Starter · #1 ·
Im just wondering if anyone out there has used the Cobra Speedster upswept pipes, and do they produce the kind of power increase you normally experience with a 2-into-1- In part that the gains come from the Cobra PowerPort, the proprietary crossover technology that helps to increase overall power from idle to redline. is there much or any loss in low to mid with these pipes,i will be useing these on a S&S 111 Engine:unsure:
 
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