cat size differnces and test pipe - 3000GT/Stealth International Message Center

holdini · 05-10-2008, 03:45 PM

i have a borla exhaust and obx header ready to put on my 98 base model 3kgt. but i want to get rid of the catalytic converter and sub in a test pipe. the header and exhaust though 2 diffrent brands are both fitted to my cat. i found a test pipe that is listed to apply to the SL and VR-4 but said nothing about the base model. i guess my question is do the SL cats have the same inlet and outlet sizes as the base. and any other pointers would be great. thanx.

westonian18 · 05-11-2008, 10:05 PM

I believe the base and sl both fit a 2.5" test pipe.
Also i bought my tp off of Maximal Performance and would recomend for 40 bucks.

05-10-2008, 03:45 PM	#1 (permalink)
holdini New User - Please be kind Join Date: May 2008 Trader Rating: (0)	cat size differnces and test pipe i have a borla exhaust and obx header ready to put on my 98 base model 3kgt. but i want to get rid of the catalytic converter and sub in a test pipe. the header and exhaust though 2 diffrent brands are both fitted to my cat. i found a test pipe that is listed to apply to the SL and VR-4 but said nothing about the base model. i guess my question is do the SL cats have the same inlet and outlet sizes as the base. and any other pointers would be great. thanx.

05-11-2008, 10:05 PM	#2 (permalink)
westonian18 red3gt Join Date: May 2007 Location: Denver, Colorado Drives: 1994 3000gt SL Trader Rating: (0)	Re: cat size differnces and test pipe I believe the base and sl both fit a 2.5" test pipe. Also i bought my tp off of Maximal Performance and would recomend for 40 bucks. __________________ Colorado represent!

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