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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 > Anyone here with HPF Gen II and catless downpipes?



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      09-30-2012, 12:26 AM   #89
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Quote:
Originally Posted by 335coupe2007 View Post
I have my hpf gen 2 exhaust and ar catless pipes sitting in my garage waiting to be Installed. I have no idea what I'm waiting for but it's good to see positive feedback about the setup! Thanks man.
Idk what you're waiting for either lol that setup is going to sound pretty bad ass.
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      09-30-2012, 08:31 AM   #90
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Get an ams exhaust. Mine sounds great with downpipes.
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      10-02-2012, 01:05 AM   #91
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Bumppp I know someone's out there with this setup
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      10-02-2012, 01:27 AM   #92
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Ahhh.... *Yawn..
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      10-02-2012, 09:34 AM   #93
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Originally Posted by Evil///M View Post
Ahhh.... *Yawn..
Look on page 2....
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I have exhaust and an intake...
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      10-02-2012, 09:54 AM   #94
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Ahhh.... *Yawn..
hahaha... i don't know why you're yawning in a condescending way when you brought nothing new to this thread
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      10-02-2012, 04:45 PM   #95
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Quote:
Originally Posted by jetblackcoupe View Post
hahaha... i don't know why you're yawning in a condescending way when you brought nothing new to this thread
Pretty sure that's also HPF GEN I which doesn't really help either...
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      10-02-2012, 10:37 PM   #96
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Quote:
Originally Posted by psmitty95 View Post
Pretty sure that's also HPF GEN I which doesn't really help either...
What's the differencce between them?
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      10-02-2012, 10:43 PM   #97
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Originally Posted by Evil///M
Quote:
Originally Posted by psmitty95 View Post
Pretty sure that's also HPF GEN I which doesn't really help either...
What's the differencce between them?
Gen 2 has a resonator that's supposed to reduce drone and rasp... Which is why I'm looking for videos of it paired with catless downpipes... I wanna see if it can be loud without rasp
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      10-02-2012, 10:44 PM   #98
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Originally Posted by jetblackcoupe View Post
hahaha... i don't know why you're yawning in a condescending way when you brought nothing new to this thread
I don't know why you keep bumping your useless 5 month old thread.
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      10-02-2012, 10:45 PM   #99
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Quote:
Originally Posted by triggz View Post
Mine definitely does not sound like a fart can. It sounds very deep and mean just like a 500hp car should sound like. It has very little rasp and its actually the perfect sounding type of rasp. When I did the secondary cat delete and didn't have resonators, the rasp was absolutely terrible. Now, the rasp sounds fantastic (with resonators) and it's comes into play at about 5000rpm. Trust me, I hate rasp, but this is a race car rasp, not a honda civic rasp or a e46 m3 rasp.
Quote:
Originally Posted by jetblackcoupe View Post
Gen 2 has a resonator that's supposed to reduce drone and rasp... Which is why I'm looking for videos of it paired with catless downpipes... I wanna see if it can be loud without rasp
Well of course its going to be loud...lol
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      10-04-2012, 03:56 PM   #100
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Quote:
Originally Posted by 335coupe2007
Ive wondered why i havent see many people post reviews with catless dps and the HPF gen 2 exhaust. I know e90 post represents a percentage of the BMW mod population but it still bugs me sometime that i rarely see anyone give feedback on it..

I wonder if the sound is just that obnoxious that a very few have this particular setup or is that many have this setup just not many people post reviews.. I dunno.. whatever. Just my random thought..

I guess i will see for myself when i get it installed! lol....
When are you installing?
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      10-09-2012, 11:17 PM   #101
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Originally Posted by TotalBlackout View Post
Give me a couple of weeks. I should have mine on and videos.
did you ever put the exhaust on? do you have catless dps?
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      12-05-2012, 02:39 PM   #102
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Quote:
Originally Posted by 335coupe2007
Ive wondered why i havent see many people post reviews with catless dps and the HPF gen 2 exhaust. I know e90 post represents a percentage of the BMW mod population but it still bugs me sometime that i rarely see anyone give feedback on it..

I wonder if the sound is just that obnoxious that a very few have this particular setup or is that many have this setup just not many people post reviews.. I dunno.. whatever. Just my random thought..

I guess i will see for myself when i get it installed! lol....
Any news?
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      12-05-2012, 02:53 PM   #103
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Quote:
Originally Posted by jetblackcoupe View Post
Any news?
I did the test video and can tell you it needs a high flow cat or another resonator because it does get a little rasp through mid range. For daily driver it could be a little overwhelming and I opted to stay with my stock secondary cat-back because I didn't want the rasp sound throughout the interior of the car like this exhaust does. But if you can live with the noise, it's one nice setup. But for the price, you probably could have a custom shop do one for less that would sound just as good or better.
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      12-05-2012, 03:12 PM   #104
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Quote:
Originally Posted by jetblackcoupe View Post
Any news?
its only the drone thats bothering...i think the above poster is talking about drone and not rasp. there is absolutely 0 rasp and sounds awesome...wish there was another exhaust out there just like this one with the drone above say 3.5k rpms.

this exhaust sounds awesome and isnt even all that loud until you go wot, but the drone will drive you insane right at 2500 to 3000 rpms...and trust me it will drive you crazy i needed ear plugs lol.

but this was my favorite sounding and i have heard almost all of them.
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      12-05-2012, 08:53 PM   #105
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Quote:
Originally Posted by cleex024
Quote:
Originally Posted by jetblackcoupe View Post
Any news?
its only the drone thats bothering...i think the above poster is talking about drone and not rasp. there is absolutely 0 rasp and sounds awesome...wish there was another exhaust out there just like this one with the drone above say 3.5k rpms.

this exhaust sounds awesome and isnt even all that loud until you go wot, but the drone will drive you insane right at 2500 to 3000 rpms...and trust me it will drive you crazy i needed ear plugs lol.

but this was my favorite sounding and i have heard almost all of them.
By drone do you mean the same thing you hear when you're inside a gt500? Because I don't mind that at all. Only thing that bothers me is rasp

Lots of other people said they would be installing their hpf exhausts.. No feedback??
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      12-11-2012, 11:31 PM   #106
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      12-12-2012, 07:28 PM   #107
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Well I won't have catless dp's at the earliest til this summer! I just ordered the exhaust and I will do my best to thoroughly review it with and without cats as my mods are added! I was disappointed at how seemingly few people have at least posted videos or reviews on this particular exhaust system!

My main goal will be to address all the questions I had while researching this system! And in response the the "just have it custom fabricated" guys, do a little research on how much a 3.5" full mandrel bent system would run you cat back! I'll just say, there's a reason I went ahead and bought the system opposed to a weekend exhaust shop venture! I live in Texas so maybe that has something to do with cost so hating if its cheaper where you live!!!

Anyway I'm just disappointed that there's only a small group of single exhaust systems for the 335i when many of the other inline, even V-6 sports cars are accompanied by a single 3" up system! IMO vendors kinda missed the mark there!

Kk I'm done now!
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      12-13-2012, 08:30 AM   #108
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Quote:
Originally Posted by HeavyMetalRocker View Post
Anyway I'm just disappointed that there's only a small group of single exhaust systems for the 335i when many of the other inline, even V-6 sports cars are accompanied by a single 3" up system! IMO vendors kinda missed the mark there!

Kk I'm done now!
Agreed. Single exhausts for I6 motors sound much better and more exotic, but it seems most of the BMW I6 exhaust manufacturers like the dual sound. And to be honest, it's growing on me; but a single exhaust 1jz/2jz or RB26 just sounds amazing.
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      12-13-2012, 10:39 AM   #109
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Quote:
Originally Posted by HeavyMetalRocker
Well I won't have catless dp's at the earliest til this summer! I just ordered the exhaust and I will do my best to thoroughly review it with and without cats as my mods are added! I was disappointed at how seemingly few people have at least posted videos or reviews on this particular exhaust system!

My main goal will be to address all the questions I had while researching this system! And in response the the "just have it custom fabricated" guys, do a little research on how much a 3.5" full mandrel bent system would run you cat back! I'll just say, there's a reason I went ahead and bought the system opposed to a weekend exhaust shop venture! I live in Texas so maybe that has something to do with cost so hating if its cheaper where you live!!!

Anyway I'm just disappointed that there's only a small group of single exhaust systems for the 335i when many of the other inline, even V-6 sports cars are accompanied by a single 3" up system! IMO vendors kinda missed the mark there!

Kk I'm done now!
Finally, someone who agrees with me.. It's crazy how high demand this exhaust was at release and now there are only about 3 videos or reviews. Let us know how it goes!
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      12-30-2012, 07:13 PM   #110
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