|03-15-2002, 06:17 PM||#1|
Join Date: Oct 2001
Location: New York CityVehicle:
02 Impreza WRX
BPM GT Turbo-back Exhaust
Ordered the BPM GT exhaust from Exeter (great people, but that's another thread). The quality of the exhaust is immaculate. From the polished canister to the beautiful shape of the twin dump downpipe, this is definitely one of the nicest I've seen as far as build quality is concerned.
The install went smoothly, with some minor hurdles:
1) The O2 sensor cable had to be extended
2) The turbo heat shield had to be adjusted (actually cut) in order to fit around the shape of the new down pipe.
3) The A/C dump hose had to be moved slightly otherwise it will touch the downpipe and melt.
As far as performance is concerned, you can defnitely feel an extra jolt of power, especially at the high end. I won't comment on HP gains except to say that I'm sure the BPM's results will be comparable to any turbo-back for our cars.
Now as far as sound is concerned...WOW. The car sounds like nothing I've ever heard before. It has a low rumble at idle which turns into a growl when I open it up. With the silencer it's very quiet. Without the silencer it's pretty loud, but not obnoxious IMO. You can also hear the turbo spooling which is fun. I haven't turned on the stereo in 3 days!
I can definitely reccomend this exhaust.
P.S: No mil lights yet (probably jinxed myself there)
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|07-07-2003, 09:21 PM||#3|
Member Sales Rating: (1)
Join Date: Feb 2003
Chapter/Region: South East
Location: Jax, FL. Riverside/AvondaleVehicle:
I have heard there are problem with this exhaust rusting out on the downpipe since it is not stainless.
Any problems as of yet?
|07-25-2003, 11:03 AM||#5|
Member Sales Rating: (4)
Join Date: May 2002Vehicle:
Axis GT35/40R STi
Not back yet
I recently installed my BPM Twister Turbo back.
To lengthen the o2 harness, all you need to do is follow it back up to the fire wall, setting it free from its current tie down locations and re-route the harness down the passenger side of the car zip tie in a few places and plug it into the o2 fitting downstream from the cat.
No cutting or splicing needed.
A/C hose just make it turn towards the driver side and relocate the plastic tie down and you’re golden!
I just threw my heat shield out!
The newer series of BPM exhausts are all stainless now, with HPC coated flanges, cat and inside piping. No worries about rusting!
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