HPF exhaust review.

shockin330i · 02-01-2011, 09:40 PM

Quote:

Originally Posted by awd

Who would by turbos before exhaust?

Exhaust would be th last on the list if I'm looking for power gains.

awd · 02-01-2011, 09:49 PM

Quote:

Originally Posted by shockin330i

Exhaust would be th last on the list if I'm looking for power gains.

I did not do it for the power I did for the sound mainly. The stock car is too quite.

awd · 02-02-2011, 01:01 AM

ah ha I figured out how to post a u tube vid.....

XPO186 · 02-02-2011, 01:07 AM

sounds sick...

creaminz · 02-02-2011, 02:17 AM

oh dang...that actually sounds louder than Vanguard + dp setup. OP u have catless dp?

ETS Michael · 02-02-2011, 03:03 AM

Is that evergreen? If so, your super close to me. We should meet up. I wouldn't mind hearing it in person and recording both systems. I have an HD camera we can use.

Michael

**335i** · 02-02-2011, 06:38 AM

as i know my friend deleted mufflers and sound was bad also in a cabin it was impossible to drive too loud, so i imagine if u put catless dps + no mufflers u cant drive then at all IMHO if i will go with exhaust i will buy exhaust that has mufflers

awd · 02-02-2011, 09:32 AM

Quote:

Originally Posted by creaminz

oh dang...that actually sounds louder than Vanguard + dp setup. OP u have catless dp?

The only mod I have in the vid is the hpf exhaust.

awd · 02-02-2011, 09:35 AM

Quote:

Originally Posted by ETS Michael

Is that evergreen? If so, your super close to me. We should meet up. I wouldn't mind hearing it in person and recording both systems. I have an HD camera we can use.

Michael

I used my old digital camera for the vid. I noticed after the vid my kid got somthing sticky on the lens...

pmed you

mineo77 · 02-02-2011, 09:39 AM

Quote:

Originally Posted by **335i**

as i know my friend deleted mufflers and sound was bad also in a cabin it was impossible to drive too loud, so i imagine if u put catless dps + no mufflers u cant drive then at all IMHO if i will go with exhaust i will buy exhaust that has mufflers

I have catless set up and with the HPF exhaust it is honestly not very loud in the cabin. If you pull down the rear seats it gets louder and with the windows down...but no problem carrying on normal level conversation with windows up.

awd · 02-02-2011, 09:49 AM

Quote:

Originally Posted by mineo77

I have catless set up and with the HPF exhaust it is honestly not very loud in the cabin. If you pull down the rear seats it gets louder and with the windows down...but no problem carrying on normal level conversation with windows up.

I agree. I was scared when I first heard there was no mufflers. But now the i have heard it and drove my car its not back at all. I have no problems with hearing the radio or someone talking in the cabin. But its the best with both windows down full throttle in under a bridge.

Marcadelic · 02-02-2011, 10:45 AM

Quote:

Originally Posted by **335i**

as i know my friend deleted mufflers and sound was bad also in a cabin it was impossible to drive too loud, so i imagine if u put catless dps + no mufflers u cant drive then at all IMHO if i will go with exhaust i will buy exhaust that has mufflers

Its really not that loud, i actually wish it was louder

**335i** · 02-02-2011, 11:38 AM

wow sound is cool thanks for sharing awd make video inside a car as well if possible

BrianMN · 02-02-2011, 12:33 PM

Can Someone Get Some Pictures Of The Hpf's Rubber Dampener??? Jeez Let's See That Magical Drone-eliminator!!

Penn999 · 02-02-2011, 12:41 PM

Quote:

Originally Posted by BrianMN

Can Someone Get Some Pictures Of The Hpf's Rubber Dampener??? Jeez Let's See That Magical Drone-eliminator!!

I get mine on Tuesday of next week. I will take pics when I get it and post videos as soon as I can put it in.

mineo77 · 02-02-2011, 12:48 PM

Quote:

Originally Posted by Mdtitans10

Its really not that loud, i actually wish it was louder

you running cats? mine is much louder than the 335i with OE DP's but I am running full catless.

joyride · 02-02-2011, 01:11 PM

Quote:

Originally Posted by BrianMN

Can Someone Get Some Pictures Of The Hpf's Rubber Dampener??? Jeez Let's See That Magical Drone-eliminator!!

The stock exhaust has this as well, at least it does/did on my 2007 E92. So you can also take a look on that.

found an image:

awd · 02-02-2011, 03:24 PM

Quote:

Originally Posted by **335i**

wow sound is cool thanks for sharing awd make video inside a car as well if possible

I'll do it tonight. All I have is my cannon camera or my iphone. I used my camera for the 1st vid not the best qualty but its all i have.

BrianMN · 02-02-2011, 04:05 PM

Quote:

Originally Posted by joyride

The stock exhaust has this as well, at least it does/did on my 2007 E92. So you can also take a look on that.

found an image:

Correct, which begs the question what would heppen if we put that stock piece on an aftermarket droner...

cn555ic · 02-02-2011, 04:28 PM

Quote:

Originally Posted by mineo77

you running cats? mine is much louder than the 335i with OE DP's but I am running full catless.

Somehow or another you seem to work for HPF since all the threads of HPF parts I see you rant and rave about it! I want to hear some videos of the exhaust INSIDE the car while its moving and under a load while cruising....So far no videos of this as of yet...All I have seen is videos of it revving outside of the car, and that to me is useless...Cabin noise with minimal drone is the utmost importance for many people and this video would help alot of people consider even buying this expensive exhaust if it indeed is drone free..But my experience tells me differently, but then again I dont have the time or the money to R&D like HPF, so the video would prove me wrong.

joyride · 02-02-2011, 04:39 PM

Quote:

Originally Posted by BrianMN

Correct, which begs the question what would heppen if we put that stock piece on an aftermarket droner...

I'll let you know in the spring, mine has a little drone, borla aggressive, but i'm gonna play around with a few spots to hopefully find the resonant area.

mineo77 · 02-02-2011, 04:40 PM

Quote:

Originally Posted by cn555ic

Somehow or another you seem to work for HPF since all the threads of HPF parts I see you rant and rave about it! I want to hear some videos of the exhaust INSIDE the car while its moving and under a load while cruising....So far no videos of this as of yet...All I have seen is videos of it revving outside of the car, and that to me is useless...Cabin noise with minimal drone is the utmost importance for many people and this video would help alot of people consider even buying this expensive exhaust if it indeed is drone free..But my experience tells me differently, but then again I dont have the time or the money to R&D like HPF, so the video would prove me wrong.

cool, AWD is working on getting some video of that for us. I actually dont work at HPF, just have been extremely impressed with the stuff they have done for my car and the customer service I have recieved. I like to support the folks that I feel offer good service etc. But yes, I am a bit of an HPF whore.

When i actually get the exhaust back on my car I will run some inside videos with my Gopro as well. Not sure when, looking like a few weeks out on this.

02-02-2011, 01:01 AM	#47
awd Private First Class 3 Rep 158 Posts Drives: 16 M4 Join Date: Dec 2010 Location: vancouver wa iTrader: (0)	ah ha I figured out how to post a u tube vid.....
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02-02-2011, 01:07 AM	#48
XPO186 Colonel 131 Rep 2,740 Posts Drives: E92 335i Join Date: May 2007 Location: Albany, NY iTrader: (19)	sounds sick... __________________
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02-02-2011, 02:17 AM	#49
creaminz Major General 557 Rep 7,701 Posts Drives: E90 LCI Join Date: Sep 2005 Location: So. Cal iTrader: (33)	oh dang...that actually sounds louder than Vanguard + dp setup. OP u have catless dp?
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02-02-2011, 03:03 AM	#50
ETS Michael Major 80 Rep 1,155 Posts Drives: 335i Join Date: May 2009 Location: Vancouver, WA iTrader: (4)	Is that evergreen? If so, your super close to me. We should meet up. I wouldn't mind hearing it in person and recording both systems. I have an HD camera we can use. Michael
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02-02-2011, 06:38 AM	#51
335i Colonel 189 Rep 2,320 Posts Drives: TOYOTA & 2008 E92 335i 6MT Join Date: Jul 2007 Location: Swiss iTrader: (4) Garage List 2008 335i [9.00]	as i know my friend deleted mufflers and sound was bad also in a cabin it was impossible to drive too loud, so i imagine if u put catless dps + no mufflers u cant drive then at all IMHO if i will go with exhaust i will buy exhaust that has mufflers __________________ E92 335i Black Saphire 6MT PROcede V5, BMS DCI, Big Tom IC, AR CL-DP's 3", AR Design OC, Forge DV's, OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental ContiSportContact 5P (400hp and 550nm) https://www.youtube.com/user/aistis7..._as=subscriber
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02-02-2011, 11:38 AM	#57
335i Colonel 189 Rep 2,320 Posts Drives: TOYOTA & 2008 E92 335i 6MT Join Date: Jul 2007 Location: Swiss iTrader: (4) Garage List 2008 335i [9.00]	wow sound is cool thanks for sharing awd make video inside a car as well if possible __________________ E92 335i Black Saphire 6MT PROcede V5, BMS DCI, Big Tom IC, AR CL-DP's 3", AR Design OC, Forge DV's, OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental ContiSportContact 5P (400hp and 550nm) https://www.youtube.com/user/aistis7..._as=subscriber
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02-02-2011, 12:33 PM	#58
BrianMN Banned 119 Rep 2,428 Posts Drives: 4 Door Family Sedan Join Date: Sep 2009 Location: Minneapolis iTrader: (7)	Can Someone Get Some Pictures Of The Hpf's Rubber Dampener??? Jeez Let's See That Magical Drone-eliminator!!
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