Inlet Pipe Diameter: 2.50" OR 2.25 ?????????
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Inlet Pipe Diameter: 2.50" OR 2.25 ?????????
my muffler has an Inlet Pipe Diameter: 2.50" so i ran my cat back pipes 2.5in's but someone told me that i will loose HP because i got an N/A engine and the 2.5in pipe is too big that i need it to be no more then 2.25in is this true ?
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