turbo back exhaust

quatelate

Member
:
mazda, mazdaspeed protege
My friend was recomending i get a custom turbo back exhaust made at a local shop rather than save up for the more expensive ion proformane exhaust... if i use the same three inch piping will i get about the same whp gains?
 
3" piping on a mazda 3 non turbo car probalby wouldn't be that great, do you possibly want this posted in another forum???
 
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