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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 > Finally! Riss Racing Downpipes for 335.. Amazing Power Gains and Info Inside!



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      06-29-2007, 10:46 PM   #23
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Quote:
Originally Posted by CanadianTSi View Post
I'd say so, there aren't many cars out there that pick up 50lb/ft AT THE WHEELS!! with only Downpipe. Purely incredible gains.
My Audi A4 2.0Turbo made 43lbs of TQ to the wheels with just a cat delete, and 19 wheel HP!
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      06-29-2007, 10:46 PM   #24
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It was hard for me to keep a tight lip on all of this...but I knew Charlie had something special in the works! Wow those are great numbers, even a bit better than what you thought initially. Congrats on all the hard work with Riss Racing, looks like it's going to pay-off! Consider me first on the list when the Group-Buy has started :rocks:
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      06-29-2007, 10:47 PM   #25
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oh yes... one thing i forgot to post... sheish i forgot a few things...sorry was just to excited.

AFR readings were about 12.4-12.8
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      06-29-2007, 10:50 PM   #26
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Quote:
Originally Posted by Mr Practical View Post
It was hard for me to keep a tight lip on all of this...but I knew Charlie had something special in the works! Wow those are great numbers, even a bit better than what you thought initially. Congrats on all the hard work with Riss Racing, looks like it's going to pay-off! Consider me first on the list when the Group-Buy has started :rocks:
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      06-29-2007, 10:58 PM   #27
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Is this downpipe is simple replacement of the OEM unit? Any idea of the weight savings?
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      06-29-2007, 11:08 PM   #28
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Originally Posted by baron View Post
Is this downpipe is simple replacement of the OEM unit? Any idea of the weight savings?
Yes...very simple, infact fitment with these is better than stock with plenty of room and fairly easy instal!

Weight savings im not to sure... we are goign to weight them once the production peice is done...but off hand i can say its a huge savings!
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      06-29-2007, 11:18 PM   #29
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also if anyone wants to Instant message me on AIM i would be more than happy to ask more questions.

screen name is Dontskateboard
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      06-29-2007, 11:18 PM   #30
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WOW!! Fantastic work CEA 3. Props to u and Riss racing, im down for set from the first batch.

Travis
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      06-29-2007, 11:24 PM   #31
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omg, give it to me plz....hate u !!!
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      06-29-2007, 11:29 PM   #32
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cool!
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      06-29-2007, 11:30 PM   #33
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I have a noob question: will I be able to pass smog test with this DP?
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      06-29-2007, 11:31 PM   #34
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I know they will be posting some videos soon, but what is the sound difference between the turbo back and your previous cat back? A lot louder?
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      06-29-2007, 11:33 PM   #35
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Quote:
Originally Posted by catm3 View Post
I know they will be posting some videos soon, but what is the sound difference between the turbo back and your previous cat back? A lot louder?
It finally sounds like a Turbo car.... you can really hear the turbos spool and the car is just a lot more throaty and sounds 10X better IMO!

for the videos , i dont know what happend but the sound got fucked up.... we are going to film some more tomorrow on the road!
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      06-29-2007, 11:34 PM   #36
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I have a noob question: will I be able to pass smog test with this DP?
No, sorry these will not pass smog tests.

disclaimers will be posted by them.
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      06-29-2007, 11:35 PM   #37
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omg, give it to me plz....hate u !!!
ahahah... they will post release date shortly.
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      06-29-2007, 11:36 PM   #38
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Be back in a bit, going out for drinks to celebrate!
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      06-29-2007, 11:54 PM   #39
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is the 296whp on JUST the 3" dp or with a full TB exhaust?
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      06-30-2007, 12:00 AM   #40
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Quote:
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is the 296whp on JUST the 3" dp or with a full TB exhaust?
Full TB, but the baseline dyno of 269 was with Catback, so the delta is just adding the DP.
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      06-30-2007, 12:01 AM   #41
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was it a full catback??

i thought he just deleted 2nd cats. so he had stock mufflers/piping, no?

any case, yea, the only variable was the DP as far as the car is concerned. seems like temp was actually hotter for runs with the DP. awesome gains.
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      06-30-2007, 12:03 AM   #42
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i'm down!
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      06-30-2007, 12:09 AM   #43
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Quote:
Originally Posted by catm3 View Post
Full TB, but the baseline dyno of 269 was with Catback, so the delta is just adding the DP.
I don't think a full ~30whp can be realized by just adding 3" dps on stock exhaust, thought.
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      06-30-2007, 12:23 AM   #44
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Can't wait till i get my hands on this!
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