07-28-2022, 09:19 AM | #67 | |
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As far as i know, they do not use GESI cats to prevent the check engine light
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07-28-2022, 09:24 AM | #68 |
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I only know they use no name 300 cell cats which is why they’re so much cheaper and the cats will inevitably fail and break down.
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07-28-2022, 02:25 PM | #69 | |
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2023 F90 M5
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07-28-2022, 02:40 PM | #70 |
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Perfect fitment and quality. Zero install issues.
Car sounds insanely good now, even better than it did. With my VSC2 valve controller and valves fully open it’s definitely WAY louder revving it, and sounds amazing. Cruising along or driving or even just full throttle the car sounds so good. Like really good. Drone is still very minimal which is great. These cars are super insulated and I love that. I do have ASD turned off forever now and the car just sounds perfect. Definitely louder on the outside than inside. Car feels more responsive and pulls harder. Definitely more power and TQ even on stock tune. The cars natural burbles and pops are heightened but still not obnoxious by any means. Way more sporty sounding and I love how it sounds. Overall I’m a 10/10 for my exhaust setup with the intakes I run. I wouldn’t change a single thing. |
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07-28-2022, 02:42 PM | #71 | |
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2023 F90 M5
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07-28-2022, 03:58 PM | #72 | |
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07-28-2022, 04:04 PM | #73 | |
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07-28-2022, 04:22 PM | #74 | |
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I'm going to try and get a video done in the coming days to post on the G8x m3/4 FB page and my IG (IG is same name as my name on here)
Maybe tomorrow! Quote:
I personally prefer high quality high flow cats like my GESI cats that are top tier quality/materials, EPA approved and guarantee no CEL. But w/ that comes more $$, which I'm okay with. I'm all for quality >>> Valves as OEM/normal start up its perfectly fine. Louder for sure but not annoying or obnoxious at all. Once I go sport+/valves fully opened w/ controller, its EXTREMELY loud lol but still bearable if you park your car inwards in the garage for example. I back my car into mine for ease of in/out and if I fully open all of it, my entire house shakes, lol. But 100% w/ any downpipes etc, leave valves closed until it calms down if you're worried about it being early morning, late at night, etc. If none of the above are a worry, fully open everything and let it roar! |
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07-28-2022, 04:29 PM | #75 | ||
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I'm planning on Stage 2 with some high flow catted DPs, so it's nice to know these are an option. Cheers for sharing your verdict |
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07-28-2022, 04:45 PM | #77 |
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07-30-2022, 12:43 PM | #78 |
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I’m also considering 200 or 300 cell catted Downpipes as my only mod mostly for sound and improved throttle response.
Are Akrapovic 200 cell Downpipes compatible with the stock exhaust? Thanks! |
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07-30-2022, 01:35 PM | #79 | |
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Top notch quality and perfect fitment. And $2500 normal cost. I got mine for $400 off at ECS. No need to spend $3500-$3800 on DP’s. |
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07-30-2022, 02:05 PM | #80 | |
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07-30-2022, 02:13 PM | #81 | |
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Definitely more throttle response, power and TQ even on stock tune (for now) Now granted I do have a full turbo back exhaust and Armaspeed intake so all that makes a big change. Plus I got XHP stage 3 Trans tune which helps a ton also in feel and shifts. Very happy with my whole setup, wouldn’t change a thing. I also have valve controller to fully open them too. |
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07-30-2022, 02:55 PM | #82 | |
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07-30-2022, 03:31 PM | #83 |
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07-31-2022, 05:50 AM | #84 | |
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How long did the downpipes install take? If you had to make a choice between the intake and the Downpipes which one would you prioritize? |
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07-31-2022, 09:56 AM | #85 | ||
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This simple mods .. yes please ? |
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07-31-2022, 11:36 AM | #86 | |
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S58 responds very well to mods, which is nice. And my friend who works on BMW’s did it. Took him an hour, maybe tad longer. With no lift. But granted he knows what he’s doing, lol. |
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08-03-2022, 03:08 AM | #87 |
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So I finally got around to having my parts installed. I had a MST cold air intake, a set of R44 high-flow catted downpipes and a JB4 piggyback tune installed all at the same time. I drove around all afternoon today with the car set to Map 1 and all I can say is.... WOW!
I believe I'll just leave the car in M2 mode pretty much all of the time now (Sport+; Sport+; Sport; Sport; DSC Off; 4WDSport). The intake and exhaust sounds are amazing and the burbles when downshifting sound great. And the performance is just phenomenal. Really, it's supercar level performance. I would put it on par with a 991 Turbo S. I currently have a 992 C4S and it definitely feels a lot quicker. Having said all that......Even though I haven't gotten an CEL light from the R44 catted pipes, I did get this message when I checked the JB4 app for codes: 180101 catless downpipe detected bank2 180001 catless downpipe detected |
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08-03-2022, 07:05 AM | #88 | |
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