downpipe question

ok i am fiishing my t-5 swap tommorow......

question is how much of a downpipe do i need " my buddy cut the stock exhaust pipe right before the cat to get the al4d out....

anyhow i was wondering if its safe to drive a short distance with only a short downpipe ? would it be safe ?


3 inch downpipe soon ! wohooooo
 
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