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Old 12-27-2002, 04:02 PM   #1
JCampbell
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Thumbs up BPM TT cat back

I was looking for a non-rice looking, non-fart can sounding exhaust that wouldn't cost me too much. I found a (barely) used BPM from Exeter/subaruwrxparts.com (they are outstanding).
Was supposed to be a bolt-on affair but I had to slot the factory mid-pipe flange. If I would have done a better job (I used a dremel and a cut-off wheel ) then it would have sealed but as it is I have a tiny gap, no big deal.
I started it up and WOW! This thing sound great! It is a low, defined burble, no droning and certainly not loud but noticeable.
The craftsmanship on this thing is top notch also.
The tips are 3" and slightly longer than the factory ones and they sit perfectly in the factory location.
The huge 3", polished SS pipe looks great under the car too.
I'm going to either get the BPM dpipe and have a 3" mid pipe made or just have a flange put on the stock mid-pipe to seal up the leak.
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Old 12-27-2002, 08:24 PM   #2
Dayf
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Just a thought, but I havent really heard a "ricey" or "fart" sounding exhaust yet on a wrx. it seems like you can't go wrong.. just a matter of how quiet or loud you want it.
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Old 12-28-2002, 01:40 PM   #3
JCampbell
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Default Fart can

Personally, I haven't heard one either, I have only heard second hand that some can sound fart-can-ish.
As for rice-looking, personal opinion here but 4" is just too big for me, especially when the muffler can is only 5" around.
FWIW.
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Old 12-30-2002, 04:19 AM   #4
jsmonet
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i don't suppose you're running catless... i'd like to know how it sounds on a catless system
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Old 12-30-2002, 03:06 PM   #5
JCampbell
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Quote:
Originally posted by jsmonet
i don't suppose you're running catless... i'd like to know how it sounds on a catless system
No, right now it's just the rear section and the rest is stock. I'll let you know after I replace the dp, up and m-pipe. I plan on keeping the third cat so I won't be catless.
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Old 12-30-2002, 10:14 PM   #6
jland67
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How much louder than stock is it? I am running a TurboXS sleathback with only 1 cat and was wondering if this setup would be to loud. Because I love the way the dual tips look.

jeremy
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Old 01-02-2003, 12:39 PM   #7
JCampbell
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Default Loudness...

Quote:
Originally posted by jland67
How much louder than stock is it? I am running a TurboXS sleathback with only 1 cat and was wondering if this setup would be to loud. Because I love the way the dual tips look.

jeremy
It's hard to say because it is louder but in a different way, whereas the stock exhaust was barely audible, the BPM has a very low, burble but still has a crisp sound. The exhaust note doesn't really get louder as you accelerate like straight-throughs usually do. It 'seems' louder than it really is, very hard to explain and sound clips don't really do it justice.
If it gets noticeably louder after I remove a couple of cats and go full 3" then I'll just have a resonator put in the mid-pipe.

It has been a couple of months now and sound wise it still sounds great BUT, it has become more quiet/less loud. So, as with every other straight-through that I've had, it mellows with age.

Last edited by JCampbell; 03-13-2003 at 11:36 AM.
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Old 01-07-2003, 10:55 AM   #8
FastdonkeyWRX
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whatever you do, get the stainless steel version dp when you do. if you get the hpc coated one you'll have major issues. bpm sucks about customer service, so if you run into any problems, you're screwed. i've spent 4 months trying to get my dp replaced and out of 60 some emails, i have gotten 2 in reply. they never answer the phone either. a simple search will explain.

bpm design is great and the sound is great, but customer service sucks and quality is questionable.
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