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BMW 3-Series (E90 E92) Forum
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**Riss Racing** 3 inch CATTED downpipes (Prototype)
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03-29-2008, 02:09 PM | #48 |
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03-30-2008, 12:13 PM | #50 |
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03-31-2008, 01:14 AM | #52 |
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Drives: 2006 Interlagos Blue BMW M5
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Hoping to get some dynos done this week. Still looking for an RR catless DP customer local. We pay for the dynos to compare catless and catted.
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03-31-2008, 03:12 PM | #55 |
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How are your cats any different from the high flow cats that BMW already uses? I mean with respect to the cylinder portion, not the piping. Tx.
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03-31-2008, 03:20 PM | #56 | |
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Quote:
Great question. BMW cats are not high flow. They're extremely restrictive and do not give proper flow through the exhaust. These cats are true high flow cats and still offer the 3 inch piping like our catless. They will taper down to 2.5" so they will fit ANY aftermarket/stock catback system. Thank you. |
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04-09-2008, 11:25 PM | #60 |
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Location: CANADA eh!
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04-10-2008, 01:15 AM | #64 |
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2008 335xi Sedan | Titanium Silver | Black Dakota
PROcede v5 | Vishnu Exhaust | BMS DCI | AR Catless DPs | Helix FMIC | Stett Charge w/ Tial BOV | MORR VS8s | KWv3 |
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04-17-2008, 03:45 AM | #65 |
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UPDATED PICTURES! We'll be getting them in full production very soon. We'll try to get the full dyno finished this week as well. Thanks guys!
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04-17-2008, 06:51 AM | #66 |
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Excellent. Very interested in these. Hope to hear how smooth the install goes for the early adopters.
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