Stock exhaust size?

Post by **yashin** » Mon Jun 21, 2004 9:16 am

Anyone know the size of the factory oem exhaust? I'm getting a new cat and want to know what size to get

thanks

Post by **Dattebayo** » Mon Jun 21, 2004 9:16 am

2" is factory size, but the cat looks slightly bigger for some reason. But you have to make sure you still have a factory size cat. But for god's sake get a Nissan or BRM flanged catalytic converter. If you weld the cat on the pipe, you will never forgive yourself when you have to change it again fo whatever reason.

Post by **navysnail** » Mon Jun 21, 2004 9:16 am

i thought stock was 2.25, oh well shows how much i know, i coulda sworn though.........................

Post by **IanS13** » Mon Jun 21, 2004 9:16 am

i installed 3" cat back today and my car has 2.25 pipe under it.

Post by **ILikeMy240sx** » Mon Jun 21, 2004 9:16 am

I have a 2.25 pipe installed and my stock pipe was ALOT smaller than that... Im pretty sure it was below 2"... Meineke guy said it might even be like 1.8 but... who knows.

Post by **driftaholic** » Mon Jun 21, 2004 9:16 am

i measured mine, it was 1-7/8

exhaust guy said they call that 2

guess it's like a 2x4: actually 1.5 x 3.5

Post by **IanS13** » Mon Jun 21, 2004 9:16 am

sorry about that the exhaust pipe under my car was after market lsome muffler shop put in on there so i guess the stock size is 2"

Stock exhaust size?

Stock exhaust size?

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