Originally Posted by prescottn6ft7
If it is an option that is sold by the dealer, annnnnnnd you can prove it was installed at the time of the vehicles initial purchase by the dealer that is the only way an exhaust is legal... IE it came on the car when it was brand new. Loophole, but a hard one to prove.
while this is true and it is a loophole, its not as solid as the Nismo Line of performance factory parts. The SPT is an added after part, that is a dealer option. Where if the judge/LEO did know, many would be with fix it tickets in the HR