07-13-2023, 11:33 AM | #1 |
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Best Catted Downpipe for B58
I previously bought a vrsf high flow downpipe. The cat was really bad and it clogged and then melted. I don't want to go catless but what other high-flow downpipes should I look at, ones that won't melt lmao.
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07-13-2023, 12:30 PM | #3 |
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07-13-2023, 12:52 PM | #4 |
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ahh ok. imo, "you get what you pay for", especially with vrsf. both Fabspeed and AA are quite expensive. Fabspeed uses HJS Euro catalyst and Active Autowerke uses GESI. even without tune, both are guaranteed not to trigger a CEL, the GESI being also EPA registered and OBD2 compliant. i believe the AA is slightly cheaper.
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07-13-2023, 05:31 PM | #5 |
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CG precision is another good one that's CEL free. If you have lots of cash I believe Akra makes one too.
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alohasurftoad3125.50 |
07-13-2023, 07:28 PM | #6 |
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Bought an ER one and haven't had any CEL's. Been fine for the last 3-4 years, while running BM3 Stage 2 (burbles disabled).
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alohasurftoad3125.50 |
07-13-2023, 08:09 PM | #7 |
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07-13-2023, 10:28 PM | #8 |
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Ran evolution racewerks DP never had a cel, ran burbles medium and hard, for around 25k miles no issues
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07-14-2023, 07:08 AM | #9 |
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Nope, I don't use the BM3 CEL suppression. It just hasn't thrown any CEL's. Previously the VSRF one would throw a CEL every day going to work.
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07-14-2023, 02:19 PM | #10 |
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07-14-2023, 02:34 PM | #11 |
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VRSF, cheap and does the intended job at a high quality.
Throw a tune on their with BootMod3 and you will never get a CEL or worry about burbles if you don’t want them. |
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07-14-2023, 02:40 PM | #12 |
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07-14-2023, 02:50 PM | #13 |
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Almost every single DP besides fabspeed, AA, and CG precision will eventually throw a CEL. ER is hit or miss, but even if it doesnt throw a CEL, it will generally not get the catalyst monitor ready. If you need the catalyst monitor to be ready for emissions, only get one of the first 3. In either case i would recommend one of those three so you can do it once and do it right.
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alohasurftoad3125.50 |
07-14-2023, 09:28 PM | #14 |
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AA catted lover here. Fantastic downpipe
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alohasurftoad3125.50 |
07-14-2023, 09:33 PM | #15 |
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AA for the win imo. Ran an ER for a while but the AA is far superior in towards of build quality and performance.
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alohasurftoad3125.50 |
07-16-2023, 07:58 PM | #16 | |
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Just curious how you measured "superior performance". |
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07-23-2023, 08:36 PM | #17 |
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+1 on the CG precision. I was running a catless VRSF but I didn't like the smell in my garage. I didn't notice any loss of power switching from catless to the CG DP.
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07-24-2023, 10:43 AM | #18 |
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Sorry for the late reply it was a 200 cel count
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07-24-2023, 10:45 AM | #19 | |
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