Originally Posted by crkt_rcr
can you still be on SM (street mod) if you install a roll cage ?
can you substitute a test pipe instead of a racing cat.
my engine is a jdm , so i dont have any cat thats the reason why i'm asking .
1. I believe you can install a roll bar but it has to be bolt in. I could wrong since I know that's what stock rules dictate.
2. Yes you can substitute a test pipe (again I believe) but you should be wary if you live in a state with emissions testing.
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