exhaust cutout

**tnnt** · 09-06-2007, 11:07 AM

car= 95' formula w/6speed all stock exhaust

my question=What size cutout do I need to put in front of the stock muffler?

Thanks

**440 rwhp trans am** · 09-06-2007, 11:26 AM

i did a 3 1/2 i think.

**BlackLT1Z28** · 09-06-2007, 12:08 PM

I thought the stock piping was 2.75" or something like that. I didn't think it was over 3" though.

**tnnt** · 09-06-2007, 12:37 PM

come on guys, help me out
Im thinkin stock it 2.5"

anybody agree?

**440 rwhp trans am** · 09-06-2007, 01:04 PM

i dont know i have aftermarket on mine. sorry.

**BlackLT1Z28** · 09-06-2007, 02:42 PM

Get under there with a ruler...

**kevinboy** · 09-08-2007, 09:22 AM

Originally Posted by tnnt

car= 95' formula w/6speed all stock exhaust

my question=What size cutout do I need to put in front of the stock muffler?

Thanks

a tape measure would do the job

**N20LT4** · 09-09-2007, 10:43 PM

Stock size y-pipe is 2-7/8" - and a 3" cutout will do fine.

**sbird** · 09-15-2007, 06:06 PM

I just put a 3" cutout on mine...perfect

**Pntbll309** · 09-16-2007, 02:40 PM

Just did a 3'' Flowtech on mine and its amazing. Loud as hell, wish I woulda done an e-cutout.

Thread: exhaust cutout