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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Vibrant resonators (#1792)



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      06-20-2012, 05:35 PM   #155
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http://www.ebay.com/itm/TEC-exhaust-...dd78b0&vxp=mtr

eveyrone says these are same
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      06-20-2012, 05:41 PM   #156
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Quote:
Originally Posted by beemerboy305 View Post
Heck they do look the same for sure, but I dont know and cannot confirm...I can confirm the Vibrant 1792s works and its been over 2 1/2 years since I have installed them... I was just about to get rid of the exhaust and go back to stock too if these didnt work, as my car sounded like CRAP and I was embarrassed to drive it~~. I dunno how some people like the sound of rasp!
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      06-20-2012, 05:46 PM   #157
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Quote:
Originally Posted by neilvosko View Post
do you think you can fit the 18" resonators in there????
I dont think so but you can try to see if there is a straight run of your midpipes and measure at least 21 inches of clearance. I highly doubt it with all the bends of the exhaust
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      06-20-2012, 06:34 PM   #158
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hmm just wondering the 1792 is a 3.5 inlet/outlet so obviously that won't fit the stock exhaust...


the 1790 is a 2.25 inlet/outlet but it looks nothing like the picture you posted in your OP... do you think it will work the same? it looks like a slimmer version.
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      06-20-2012, 09:55 PM   #159
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Quote:
Originally Posted by AU335i View Post
hmm just wondering the 1792 is a 3.5 inlet/outlet so obviously that won't fit the stock exhaust...


the 1790 is a 2.25 inlet/outlet but it looks nothing like the picture you posted in your OP... do you think it will work the same? it looks like a slimmer version.
Yes 1790 is for stock piping which requires a 2.25 piping. Remember your midpipes are smaller so the amount of cubic air flow coming through into the piping will be proportional to the size of the resonators. It will work identically to the 1792. I wouldnt worry about that.
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      06-28-2012, 10:24 AM   #160
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Quote:
Originally Posted by cn555ic
Quote:
Originally Posted by AU335i View Post
hmm just wondering the 1792 is a 3.5 inlet/outlet so obviously that won't fit the stock exhaust...


the 1790 is a 2.25 inlet/outlet but it looks nothing like the picture you posted in your OP... do you think it will work the same? it looks like a slimmer version.
Yes 1790 is for stock piping which requires a 2.25 piping. Remember your midpipes are smaller so the amount of cubic air flow coming through into the piping will be proportional to the size of the resonators. It will work identically to the 1792. I wouldnt worry about that.
Cn555ic - thanks for making this thread, very informative and I appreciate your time to maintain it alive...

I'm getting ready to pull the trigger on a pair of 1790...trying to kill the rasp my c-PE catless DPs + the "is" exhaust produce.

Question: is there way to keep the 2nd cats and install the 1790s? Normally, taking out the 2nd cats makes the exhaust louder and even less controlled...bottom line, would you want to keep your 2nd cats?
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      06-28-2012, 10:34 AM   #161
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Quote:
Originally Posted by No_curebimmer View Post
Cn555ic - thanks for making this thread, very informative and I appreciate your time to maintain it alive...

I'm getting ready to pull the trigger on a pair of 1790...trying to kill the rasp my c-PE catless DPs + the "is" exhaust produce.

Question: is there way to keep the 2nd cats and install the 1790s? Normally, taking out the 2nd cats makes the exhaust louder and even less controlled...bottom line, would you want to keep your 2nd cats?
I know you directed this at CN, but i can tell you from personal experience that they will not fit unless you remove the factory cats, there is just not enough room on the E92 exhaust.
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      06-28-2012, 10:56 AM   #162
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Quote:
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Quote:
Originally Posted by No_curebimmer View Post
Cn555ic - thanks for making this thread, very informative and I appreciate your time to maintain it alive...

I'm getting ready to pull the trigger on a pair of 1790...trying to kill the rasp my c-PE catless DPs + the "is" exhaust produce.

Question: is there way to keep the 2nd cats and install the 1790s? Normally, taking out the 2nd cats makes the exhaust louder and even less controlled...bottom line, would you want to keep your 2nd cats?
I know you directed this at CN, but i can tell you from personal experience that they will not fit unless you remove the factory cats, there is just not enough room on the E92 exhaust.
Ok, that's what I thought, just wanted to vet this with the pros here ! No worries - thanks for providing input Lulz...
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      06-28-2012, 11:53 AM   #163
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Quote:
Originally Posted by Lulz_M3 View Post
I know you directed this at CN, but i can tell you from personal experience that they will not fit unless you remove the factory cats, there is just not enough room on the E92 exhaust.
Quote:
Originally Posted by No_curebimmer View Post
Ok, that's what I thought, just wanted to vet this with the pros here ! No worries - thanks for providing input Lulz...
Not true, I have 1790 installed on my stock e92 exhaust along with secondary cats.
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      06-28-2012, 12:12 PM   #164
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Jesus, A for efforts man. Looks like im wrong, props to the surgeon that performed that miracle.
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      06-28-2012, 12:49 PM   #165
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Quote:
Originally Posted by x-ception
Quote:
Originally Posted by Lulz_M3 View Post
I know you directed this at CN, but i can tell you from personal experience that they will not fit unless you remove the factory cats, there is just not enough room on the E92 exhaust.
Quote:
Originally Posted by No_curebimmer View Post
Ok, that's what I thought, just wanted to vet this with the pros here ! No worries - thanks for providing input Lulz...
Not true, I have 1790 installed on my stock e92 exhaust along with secondary cats.
Wow - thanks for sharing this! So how do you like the set up? I suppose as long as you put them in, you'll kill the rasp, or it DOES matter the placement? Btw, do you have DPs as well?

Like Lulz said, great work - who did you have this perform, your standard muffler shop like Midas or something? I asked a Midas like shop for a quote to replace the 2nd cats with the Vibrant - response was around 1 hr of work. Was this custom work?
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      06-28-2012, 01:28 PM   #166
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Quote:
Originally Posted by Lulz_M3 View Post
Jesus, A for efforts man. Looks like im wrong, props to the surgeon that performed that miracle.
Quote:
Originally Posted by No_curebimmer View Post
Wow - thanks for sharing this! So how do you like the set up? I suppose as long as you put them in, you'll kill the rasp, or it DOES matter the placement? Btw, do you have DPs as well?

Like Lulz said, great work - who did you have this perform, your standard muffler shop like Midas or something? I asked a Midas like shop for a quote to replace the 2nd cats with the Vibrant - response was around 1 hr of work. Was this custom work?
Petrolwerks in Long island did this and they are not even a muffler shop lol, yes it kills all the rasp and even some pops and gurgles on low rpm so your car will be super quiet after this unless you are really pushing it or in DS. I have AR dp's and I alternate between Eisenmann race and BMW PE exhausts, depending on the mood and weather lol.
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      06-29-2012, 08:13 AM   #167
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This is good stuff - thanks for letting us know, this is the first and definitive answer regarding resonators install + keeping the 2nd cats!
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      06-29-2012, 08:34 AM   #168
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Quote:
Originally Posted by beemerboy305
Will these fit on a stock e92 exhaust in place of the secondary cats? Or do I need to get the 1790s?
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      06-29-2012, 08:50 AM   #169
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Quote:
Originally Posted by No_curebimmer View Post
This is good stuff - thanks for letting us know, this is the first and definitive answer regarding resonators install + keeping the 2nd cats!
For real, i want my cats back damnit lol.
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      06-29-2012, 10:45 AM   #170
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xxnick - this looks to be a replacement to Vibrant 1792, with 2.5" inlet/outlet so you'd need couplers since our midpipes have a 2 1/4" diameter (which is what 1790 is).
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      06-29-2012, 11:55 AM   #171
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stole this video from Rotorocious and I think it's an amazing sound for a stock exhaust AND catless DP's...


iirc, he managed to fit the 1792 (2.5 inch in/out) on the stock exhaust piping. would love to see a pic of the setup haha
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      06-29-2012, 05:50 PM   #172
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So will these work in place of secondary cats on stock exhaust? http://www.streetsideauto.com/p/vibrant-performance-1790/
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      06-29-2012, 06:50 PM   #173
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I got same setup but muffler delete and no cats 3" all the way back with these vibrant resonators .. Getting installed tnrw well see how it sounds
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      06-29-2012, 07:07 PM   #174
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I heard X-ception exhaust and it's actually sounds perfect. A little louder than mine but definitely cleaned out the sound for sure. Zero rasp! It sounded like crap prior to resonator install! Lol. It pretty crazy how something so simple can effectively tune an exhaust and make it sound so good.
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      06-29-2012, 07:28 PM   #175
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Quote:
Originally Posted by x-ception View Post
Not true, I have 1790 installed on my stock e92 exhaust along with secondary cats.
Damn that's a lot of precision cutting there! Why did they use heat wrap on the welded ends? Did they weld them or just use clamps?
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      06-29-2012, 08:10 PM   #176
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I'm completely catless, took out 2ndery cats + resonator, i dont mind the loudness...But for gods sake i hate the Pops and Gurgles i get....Would someone tell me how to kill that, please! lol I'm sick n tired of those pops n gurgles on low rpm's...I just get too much of it, Anyone with the answer to eliminate this gets a free beer!
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