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Drop DB of Exhaust

Guest INASNT

By Guest INASNT,
in General Automotive Discussion

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Lozza150 Proficient

Lozza150

Posted
Posted

what if you put on the original pipe to the cat and then leave the (bigger one)

on from the cat back it might reduce it enough.....?!?!?!??

worst to worst.... fail the test.... fit stockie..... redo test..... drive around for a mnoth with stock on... then refit bigger....

or chat to an exhaust place and see if they can help you ....

loz

Leewah Veteran

Leewah

Posted
Posted

Richie,

That maybe true but as far as the EPA are concerned, they tested my Nissan Skyline with my number plates :shake:

INASNT, if yr really worried bout your car failing, find someone with a stock R33 white GTSt and change rego and complience plates over and you'll be fine.

Trust me. I know from experience :)

Originally posted by ice180

leewah your car didn't pass the test

a swapsie was done with another stock gtr same colour - plates and rego label swapped and bob was your uncle....

Guest INASNT

Guest INASNT

Posted
Posted
Originally posted by Leewah

Richie,

That maybe true but as far as the EPA are concerned, they tested my Nissan Skyline with my number plates :shake:

INASNT, if yr really worried bout your car failing, find someone with a stock R33 white GTSt and change rego and complience plates over and you'll be fine.

Trust me.  I know from experience :)

my exhaust aint that loud, but louder than 90db at 3000rpm.

i want to pass first time, cant be ***ed wasting my time going there again

MotoX Veteran

MotoX

Posted
Posted

also, over here in QLD, i know this isnt realated, but we have 2 DOT places and they are so full that its not funny. when u get done, u might have to go to the pits and book a time in to get it checked, theres now a 2month wait to get ya car checked.

so i sugest u do it legal and u wont have to worry. do it illegal and be prepaired to wait.

btw i dont know if them butterfly shutters are illegal but i dont see why they would be.

and they would restrict some power as the flow would not be as good. but this allows you to run a bigger exhaust diamater. so i dunow.

Guest INASNT

Guest INASNT

Posted
Posted

yep got 83 db, with the stock cat back exhaust!

they revved it to nearly 5000rpm, if it went over 90db i was gonna tell them they r only meant to rev it to 3200rpm as stated in the rta regulations. I let em off coz they were real nice guys and idnt cause me any grief.

Leewah Veteran

Leewah

Posted
Posted
Originally posted by INASNT

they revved it to nearly 5000rpm, if it went over 90db i was gonna tell them they r only meant to rev it to 3200rpm as stated in the rta regulations.

And you all thought I was nutz when I said that they would rev it out to 5k.

They have their own regulations down there and will rev your car simply coz they can.

Guest INASNT

Guest INASNT

Posted
Posted
Originally posted by Leewah

And you all thought I was nutz when I said that they would rev it out to 5k.

They have their own regulations down there and will rev your car simply coz they can.

dont think they have their own regulations i think they were just revving it that high coz it would have registered like 75 db at 3200rpm. U can always pull the regulations out if it went over 90db at 5000rpm.

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