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Originally Posted by SOLISIMO
correct but the core is where the air flows through making them all the same. Small changes here and there might yield +1 or +2 more HP which for the price increase on name brands isnt just worth it, to me atleast 
Im currently running Ichiba test pipes which I paid $250 for on my G37. I wrapped them in header wrapped which eliminated all the rasp and have no CEL light either and their quality was pretty damn impresive  |
Do the Berks have any rasp too them?? if so, will wrapping them help as well?