does anyone have a straight pipe setup?

skim · 04-28-2009, 07:03 PM

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!

gthirtyfizle · 04-28-2009, 07:18 PM

FStop7 · 04-28-2009, 08:08 PM

skim · 04-28-2009, 09:02 PM

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..

FStop7 · 04-28-2009, 09:20 PM

Search for threads about the RPI GT exhaust

Epacy2 · 04-28-2009, 09:23 PM

skim · 04-28-2009, 09:46 PM

Quote:

Originally Posted by FStop7

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

spyderco10 · 04-29-2009, 03:38 AM

Quote:

Originally Posted by skim

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

KiokenM3 · 04-29-2009, 08:21 AM

Quote:

Originally Posted by skim

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

Green///Hell · 04-29-2009, 01:42 PM

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

eclipsisNA · 04-29-2009, 02:11 PM

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.

dvpouldar26 · 04-29-2009, 11:27 PM

Quote:

Originally Posted by Eclipse Motors

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

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!!

niterider · 04-30-2009, 02:06 AM

Catless is def. loud. Power gains are good regardless of which catless design u go with but some do add more ponies then others.

04-28-2009, 07:03 PM	#1
skim Captain 142 Rep 660 Posts Drives: 07 Z4MC Join Date: Nov 2007 Location: SoCal iTrader: (0)	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! __________________ Future mod consideration: exhaust, pulley otherwise, very happy with how the m3 was born
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04-28-2009, 07:18 PM	#2
gthirtyfizle Colonel 191 Rep 2,867 Posts Drives: E92 M3 AW Join Date: Jul 2008 Location: NYC iTrader: (4)
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04-28-2009, 08:08 PM	#3
FStop7 I like cars 329 Rep 5,052 Posts Drives: M6 Join Date: Oct 2008 Location: Newbury Park, CA iTrader: (3)	__________________ My photostream: http://www.flickr.com/photos/racelap/
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04-28-2009, 09:02 PM	#4
skim Captain 142 Rep 660 Posts Drives: 07 Z4MC Join Date: Nov 2007 Location: SoCal iTrader: (0)	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.. __________________ Future mod consideration: exhaust, pulley otherwise, very happy with how the m3 was born
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04-28-2009, 09:20 PM	#5
FStop7 I like cars 329 Rep 5,052 Posts Drives: M6 Join Date: Oct 2008 Location: Newbury Park, CA iTrader: (3)	Search for threads about the RPI GT exhaust __________________ My photostream: http://www.flickr.com/photos/racelap/
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04-28-2009, 09:23 PM	#6
Epacy2 Major 145 Rep 1,400 Posts Drives: F85 X5M Join Date: Jan 2009 Location: KC iTrader: (1) Garage List 2008 M3 [0.00] 2008 M3 [0.00]
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04-29-2009, 01:42 PM	#10
Green///Hell Colonel 183 Rep 2,873 Posts Drives: 991 GT3, F15 X5, 1199S Join Date: Feb 2009 Location: Chicago iTrader: (5)	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
eclipsisNA Colonel 350 Rep 2,937 Posts Drives: 2013 Estoril 328i M Sport Join Date: Oct 2007 Location: Beverly Hills, CA iTrader: (6) Garage List 2014 BMW 428i [7.76]	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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04-30-2009, 02:06 AM	#13
niterider Proove It! 39 Rep 618 Posts Drives: Gintani Supercharged Join Date: Dec 2008 Location: City of Angels iTrader: (0)	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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