Purpose of Stillen Test/Y Pipes??
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From: texas
Purpose of Stillen Test/Y Pipes??
My friend has one that he hasn't used and wants to sell it to me. He told me that i can bolt it onto my factory exhaust and it will make it sound louder with some power gains.
Is this true?
Is this true?
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Ninjay16
Engine - Intake/Fuel
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Jan 14, 2016 01:44 AM
