Borla Exhaust
12-19-07, 02:40 PM
#4
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https://www.clublexus.com/forums/sho...highlight=bliu
Remove resonators, custom xpipe. See video in linked thread. Note this is a GS4 but it's definitely louder than Borla exhaust on its own (which is what I have on my GS)
Remove resonators, custom xpipe. See video in linked thread. Note this is a GS4 but it's definitely louder than Borla exhaust on its own (which is what I have on my GS)
12-19-07, 08:42 PM
#6
If you really got a Borla cat back 
it's Probably not Borla. Since they only make axel back. Also, none of the exhaust in the market for the GS are cat back. They are "mid muffler" back, but for 300s like yours, you can buy a Y pipe. For more noise out of Borla, like metioned before, remove resonators.
Last edited by GS FONZy; 12-20-07 at 05:46 PM.
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12-20-07, 03:47 PM
#10
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yeah it must be like a "mid muffler" back, because the guys at KC trends told me that, but when i took a look at it, i thought it looked different, so do you think the best idea would be to remove the resonators? and is it going to make it anoyingly loud? because i want to keep it sounding good.
12-20-07, 03:57 PM
#11
Some people call it a cat, but it is not, it is just a muffler. The cats are right after the headers (exhaust manifolds) on both cars. After the cats, there is a Y pipe connected to a "mid muffler" and then you have what most companies like to call the "cat back system". 
For the 300s there is a down pipe available, but for the 400s & 430s, you have to go with a custom Y or X pipe to have a true cat back system.
For the 300s there is a down pipe available, but for the 400s & 430s, you have to go with a custom Y or X pipe to have a true cat back system.
12-20-07, 04:00 PM
#12
yeah it must be like a "mid muffler" back, because the guys at KC trends told me that, but when i took a look at it, i thought it looked different, so do you think the best idea would be to remove the resonators? and is it going to make it anoyingly loud? because i want to keep it sounding good.
12-20-07, 05:05 PM
#13
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Thanks a ton, it definatly does not come right after the headers, but i may try to get a custom Y pipe. and i have question, FONZy what spoiler do you have?
12-20-07, 05:40 PM
#14
https://www.clublexus.com/forums/sho...d.php?t=319535
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