02-12-2019, 12:37 PM | #1 |
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Catless v Catted DP
Hey guys... So for my car, I want an aggressive tone and I am deciding between an ER catless or catted downpipe. My car is fully stock and the DP would be my first mod. Any suggestions for a more aggressive tone when talking about downpipes?
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02-12-2019, 01:32 PM | #2 |
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Want to spend $250 and get all the noise and power > ER catless
Want to spend $1250 and get a little less noise and power than catless, but stay legal > Fabspeed catted
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02-12-2019, 03:49 PM | #4 |
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But does the sound on catless sound better than catted? I'm looking for an aggressive tone and can't seem to find videos on YouTube
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ER Catless downpipe, ER Chargepipe
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02-12-2019, 09:27 PM | #5 |
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Our ears can't tell the difference.
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F30 335iX | Remus Axleback | Fabspeed Catted DP | VRSF Comp IC | 18X9 ET35 19lb MT1 | 255/40/18 ECS | Ohlins RT Millway Street | Millway Control Arm Bushings | Turner Endlinks | TMH 75mm 14x1.5 Studs | BMW MPerf LSD | XDelete | Pipercross Filter | MHD Stg2 93
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02-13-2019, 09:22 AM | #6 | |
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02-13-2019, 11:21 AM | #7 |
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I have the fabspeed catted, it certainly gave better sound over stock, I haven't heard a catless in person. I think in general you have to go to the extreme to make our cars "loud", like removing resonator, getting rid of muffler, but that seems to make a lot of drone. It seems pairing a DP with the MPE is the best option with not making too much drone.
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Wagner Competition Intercooler, ER Chargepipe, Fabspeed Catted Downpipe, Bootmod3 OTS Stage 2 93 oct
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02-13-2019, 11:27 AM | #8 |
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I'm surprised that nobody has mentioned that a catless DP will cause a CEL. Only certain catted DP's won't cause a CEL, Fabspeed being one of them.
Any flash tune can remove the CEL, but since you mentioned being stock, you need to consider this.
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02-13-2019, 11:39 AM | #9 | |
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ER Catless downpipe, ER Chargepipe
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02-13-2019, 12:01 PM | #10 |
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depending on what's behind the downpipe, such as resonator or muffler delete, mid-pipes, aggressive cat/axle back, catless downpipes tend to become a bit raspy. catted will take some edge off the rasp and reduce or eliminate any smell it may have with a slight reduction in flow.
if you're going catless, even though it's just a pipe, i'd still opt for reputable brands such as ER or wagner and avoid those that have had issues with finish and especially fitment. for catted, fabspeed and cg precision are the best but cg precision seems to have discontinued theirs. ER and Wagner both have 200 cpsi options but still may trigger CEL. |
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02-13-2019, 04:33 PM | #11 |
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For what it's worth, I have a catted Wagner paired with a MPE and I love the sound. It's noticeably more aggressive than stock but doesn't drone, doesn't smell and I can still drive it early in the morning and not feel like I'm pissing off my neighbors.
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02-13-2019, 05:30 PM | #12 | |
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Just remember loud and aggressive exhaust does not mean a good sounding exhaust. And most catless cars I have ever heard, sound awful. |
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02-13-2019, 05:33 PM | #13 |
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I was just watching this Youtube video before I refreshed my screen and saw this thread.
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02-13-2019, 05:35 PM | #14 | |
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ER Catless downpipe, ER Chargepipe
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02-13-2019, 06:17 PM | #15 |
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I thought so too. I live in California, so a no-go for me lol.
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2012 328i Sedan - Glacier Silver - 18" Toyo Proxes 4 Plus Tires with Nürburgring Metal Grey Rims, H&R Sport Springs, VRSF Intercooler, JB+, aFe Air Filter, Magnaflow Exhaust, Carbon Fiber accents, SS Pedals, Bavsound System, BMW CCA member since 2015. First Bimmer - 2000 Z3 M. Second Bimmer - 2014 X1 sDrive28.
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02-13-2019, 07:32 PM | #16 | |
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Catless will make a bigger difference, its louder and more aggressive. Catted will make a slight difference, but a cleaner tone
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