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Have this Speedwerx high-flow y-pipe. Speedwerx claims 3-4 hp gain, and I believe it. Great improvement over stock with no other modifications, just bolt on and go. $90
Here's the link to Speedwerx's page: http://www.speedwerxstore.com/index.php?l=product_detail&p=928
Have this Speedwerx high-flow y-pipe. Speedwerx claims 3-4 hp gain, and I believe it. Great improvement over stock with no other modifications, just bolt on and go. $90
Here's the link to Speedwerx's page: http://www.speedwerxstore.com/index.php?l=product_detail&p=928
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