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Can anyone tell what size piping this is?

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Old 11-16-13, 12:18 PM   #1
gsean400
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Default Can anyone tell what size piping this is?


Straight pipe no resonators or mufflers



Stock piping

Im looking for the sound i got with the muffler/reso delete on my previous GS. However i did loose alot of torque. Im not sure how to go about this now. I could see how i lost power if i used bigger piping but i told the muffler shop to use the stock piping size. I never really bothered to check cause i was really happy with the sound and i got complements everytime i was at a light or pumping gas. (Was told a couple times it sounds like an ls7 with kooks) i just dont know if it was cause of not having any back pressure or bigger piping that made me lose performance. I also would like to know if my 3rd cat can be removed without throwing a code. Or if removing 1 of the can resonators would make the exhaust sound wierd. I am currently piecing a custom vortecj sc together so should i just go with bigger piping anyway? This is for my gs430 Thanks & sorry CL for all the commotion i caused with my last thread my apologies to all.

Last edited by gsean400; 11-16-13 at 12:44 PM.
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Old 11-16-13, 01:10 PM   #2
pdxgs
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It looks like 2 or 2.25".... put a tape measure on it.
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Old 11-16-13, 02:27 PM   #3
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why dont you just get under the car and measure it
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Old 11-16-13, 02:59 PM   #4
DosyBoy
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The same size I pipe my girl with...
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Old 11-16-13, 04:18 PM   #5
gsean400
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Lol u guys reply fast. I dont own the car anymore i havent had that car for 3 years. I own a gs430 now with a muffler delete but want more sound. Maybe not as loud as my gs400 but still loud lol with at least stock power
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Old 11-16-13, 04:28 PM   #6
burny
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lmao, bwahahahahaha
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