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      04-28-2009, 07:03 PM   #1
skim
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does anyone have a straight pipe setup?

i see a lot of threads about xpipes, and people leaving on the primary cats, but has anyone done straight piping, meaning 4 cat + resonators delete?
how does above sound? how's sound, pros and cons of this setup?
i know about CEL, but just wondering what other things i may expect that i'm not aware of? i know of not passing emissions without the primary cats, but since it's a brand new car, i won't need to worry about smogging for 6 years so that should be ok..
thanks!
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      04-28-2009, 07:18 PM   #2
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      04-28-2009, 08:08 PM   #3
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      04-28-2009, 09:02 PM   #4
skim
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lol
believe me.. i use the search feature before posting
maybe i couldn't put in the right search words but nothing came up
all i found was people going to local muffler shops to make their custom mid pipes..
what search words should i use?
thanks..
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      04-28-2009, 09:20 PM   #5
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Search for threads about the RPI GT exhaust
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      04-28-2009, 09:23 PM   #6
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      04-28-2009, 09:46 PM   #7
skim
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Quote:
Originally Posted by FStop7 View Post
Search for threads about the RPI GT exhaust
thanks!
but see? if i were the first time searcher looking for answers to "straight pipe setup" i would have never known to search for "RPI GT exhaust"
that's my defense
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      04-29-2009, 03:38 AM   #8
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Quote:
Originally Posted by skim View Post
i see a lot of threads about xpipes, and people leaving on the primary cats, but has anyone done straight piping, meaning 4 cat + resonators delete?
how does above sound? how's sound, pros and cons of this setup?
i know about CEL, but just wondering what other things i may expect that i'm not aware of? i know of not passing emissions without the primary cats, but since it's a brand new car, i won't need to worry about smogging for 6 years so that should be ok..
thanks!
If they do, they're probably deaf by now
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      04-29-2009, 08:21 AM   #9
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Quote:
Originally Posted by skim View Post
i see a lot of threads about xpipes, and people leaving on the primary cats, but has anyone done straight piping, meaning 4 cat + resonators delete?
how does above sound? how's sound, pros and cons of this setup?
i know about CEL, but just wondering what other things i may expect that i'm not aware of? i know of not passing emissions without the primary cats, but since it's a brand new car, i won't need to worry about smogging for 6 years so that should be ok..
thanks!

theres quite a few of us who run the catless setup. check around on the site, specifically the rpi and gintani exhaust
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      04-29-2009, 01:42 PM   #10
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I have no cats or res with the RPI and its pretty fine, just added in with the Remus Race its a little way too loud.
There is a big power gain there and the sound is very very loud
If you don't like the BMW signature rasp than don't do it, because it is there and wants you to know its there. But I like it
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      04-29-2009, 02:11 PM   #11
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I'm running Eisenmann Race + secondary cat delete + resonator delete. It's VERY loud. I like it much better than the ER w/ stock mids, sounds quite aggressive and demonic.
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      04-29-2009, 11:27 PM   #12
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Quote:
Originally Posted by Eclipse Motors View Post
I'm running Eisenmann Race + secondary cat delete + resonator delete. It's VERY loud. I like it much better than the ER w/ stock mids, sounds quite aggressive and demonic.
Quote:
Originally Posted by Panda///Monic View Post
I have no cats or res with the RPI and its pretty fine, just added in with the Remus Race its a little way too loud.
There is a big power gain there and the sound is very very loud
If you don't like the BMW signature rasp than don't do it, because it is there and wants you to know its there. But I like it
Post vids! I have been wanting to hear these set-ups for so long!!
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      04-30-2009, 02:06 AM   #13
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Catless is def. loud. Power gains are good regardless of which catless design u go with but some do add more ponies then others.
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