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Originally Posted by Hemi57
It might be time for me to mention that the US has a higher decibel allowance than Australia. I remember reading about the Monaro having a louder exhaust on the GTO than the local Monaro product as the laws were different for each country.
Just a word of warning with a US spec exhaust system on a 300C. The EPA can be a painful and expensive exercise. My Nephew's HSV GTS gets pinged from time to time, ie. letter arrives in the mail, take it for a test and produce the test results to EPA (test costs around $70 each).
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Thanks for the heads up John. I think i better to speak to the guys at the exhaust place and investigate that a bit further.