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Old 07-19-2015, 12:32 PM   #1
cosmos328Ci
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My Ride: 328Ci -M54B30 on E85
Ess twinscrew supercharged m54b30 engine. at 398.5 whp.





Was: at 375 whp and 450 ft/lb at the flywheel on a Dyno Dynamics.
(Now Fri 28 Aug 15 - Now 398.5 whp on a Mainline Dyno, previous best on the same dyno was 370 whp)

Was: Single 2.5 inch exhaust, 2.5 inch 100 CPSI cat and one muffler with twin 2 inch in and out using M52TU headers.
3.5 inch throttle body and 4 inch tube to wheel well.
(Now Fri 28 Aug 15 - with twin 2.5 inch pipes with twin 2.5 inch 100 CPSI cats, goes to twin 3 inch pipes into twin 3 inch bullet mufflers before the rear axle to the rear bumper into quad 3 inch tips.

Up for sale (FS): Single 2.5 inch exhaust, 2.5 inch 100 CPSI cat and M52TU headers with 2.5 inch collector, plus M3 lookalike quad tip rear muffler.


The new system is twin 2.5" from header collectors with two 2.5"100 CPSI kitties to 3 " in and out bullet style mufflers before the axles with twin 3" inch pipes to the bumper finished off 3" tips (3" in and twin 3" out) e46 M3 look

Quad tips.
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Old 07-23-2015, 06:48 AM   #2
cosmos328Ci
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My Ride: 328Ci -M54B30 on E85
Fitted new replica M3 Bumper today as Old Coupe bumper has a section missing from it.
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Old 07-23-2015, 07:33 AM   #3
Bafffyyy
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Car's mechanically all good yea?
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Old 07-23-2015, 08:19 AM   #4
cosmos328Ci
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Car's mechanically all good yea?
I think they crunched the gears a bit, as it is slightly harder to engage 1st and 2nd - Not too bad though, just not as easy.

There is a whine in the drive line when slowing down to stop as well.

Cheers Bafffyyy.
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Old 07-23-2015, 08:25 AM   #5
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Bummer. Hopefully nothing more shows up.
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Old 07-23-2015, 08:28 AM   #6
cosmos328Ci
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Bummer. Hopefully nothing more shows up.
LOL, yeah - I will check out the whine in a couple of months when I have more time.
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Old 07-24-2015, 01:34 AM   #7
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New pair of 2.5 inch 100 Cell Cats

Got the car booked in for Fri 07 Aug for new twin 2.5/3.0 inch system.

These cats will go on me new system.
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Old 07-24-2015, 05:04 AM   #8
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Seems odd that you have a higher peak torque than hp
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Old 07-24-2015, 06:22 AM   #9
cosmos328Ci
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Seems odd that you have a higher peak torque than hp
http://forum.e46fanatics.com/attachm...7&d=1421202372

This is what I got so far.
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Old 07-24-2015, 08:20 AM   #10
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It goes against all I know with these engines and further with ESS ts
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Old 07-24-2015, 08:39 AM   #11
cosmos328Ci
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It goes against all I know with these engines and further with ESS ts
Sorry.
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Old 07-30-2015, 08:40 AM   #12
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3 Inch Mufflers and Tips

These will be going on next Fri with the 2.5 inch Cats.
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Old 07-31-2015, 03:24 AM   #13
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Are you running quad pipes out again or just a single twin?
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Old 07-31-2015, 04:36 AM   #14
cosmos328Ci
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Are you running quad pipes out again or just a single twin?
The system will be twin 2.5" from header collectors with two 2.5"100 CPSI kitties to 3 " in and out bullet style mufflers before the axles with twin 3" inch pipes to the bumper finished off 3" tips (3" in and twin 3" out) e46 M3 look

Quad tips.
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Old 07-31-2015, 01:51 PM   #15
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Double post.
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Old 08-05-2015, 04:36 AM   #16
cosmos328Ci
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Excited.

I have not been this excited ***55357;***56835; for ages.

Got all my exhaust parts ready for Fridays exhaust transformation.

Twin 2.5" to twin 3", this should free up the exhaust a little bit.

I have had my current system on since about 2008 now its time to retire this system to make way for more power.
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Old 08-05-2015, 05:45 AM   #17
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Pick when finished!
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Old 08-05-2015, 07:28 AM   #18
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Pick when finished!
Sure will.

Maybe a sound clip too.
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Old 08-05-2015, 04:06 PM   #19
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Pick when finished!

*pic
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Old 08-08-2015, 01:12 AM   #20
cosmos328Ci
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Car was not finished untill late on Fri, so will not pick up car until Mon morning, as went away Fri arvo.
Exhaust shop said when car was started it had a crackling sound a loud crackling sound but went a way when revs were increased slightly.
I think the crackling sound would go away once the engine was warm.

If its too loud, I will cut out part of the spare wheel well and put a couple of big mufflers in there, that should quite it down.

My rear sub-frame to floor repair that was fix about seven years ago is starting to open up again.
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