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Downpipes question
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12-24-2012, 03:13 PM | #1 |
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Downpipes question
Hey guys, i'm looking to buy some DPs but I have a question concerning inspections. In MA, we have to do visual and emissions testing, so if i get catless DPs, how am i supposed to pass inspection?
I did a good amount of searching and the answer is either get the DP fix, or take out the DPs every time for inspection. I also saw that if you use a JB4, it doesn't throw any codes. I'm currently running COBB stg 1 agressive and know that i can clear codes but i don't think it'll pass emissions.. i needz input
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12-24-2012, 03:24 PM | #2 |
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For visual you will need stock DP's every time. For the scan you will need the DPfix, JB4 will clear the light/codes but it will not give the "ready" command or whatever that passes the scan inspection. so in any case you will need one or the other.
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12-24-2012, 03:35 PM | #3 |
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Yeah i figured i would need the dpfix. Is that just hardware that plugs into the ECU? That will work with any tune right.. not just a BMS tune?
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12-24-2012, 03:39 PM | #4 |
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12-24-2012, 04:16 PM | #6 |
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DPs won't be noticed on the visual. You will need a DP fix.
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18" BBS RGRs, KW v1, ESS Stage 2 flash, VRSF 7" FMIC, VRSF downpipes, JG Mods m-tech front, mtec V3 AEs, BMS OCC, hardwired valentine 1, p3cars gauge, amber delete, sport seats, factory oil cooler. |
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12-24-2012, 04:35 PM | #8 | |||
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Quote:
Quote:
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Thanks for the replies guys
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12-24-2012, 04:39 PM | #9 |
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Yes you will still need a dp fix in addition to a JB4. (At least you used to, I'm not 100% on that. )
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12-24-2012, 09:13 PM | #10 | |
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Thanks a lot guys, I appreciate it
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12-25-2012, 08:23 AM | #12 | |
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12-25-2012, 08:54 AM | #13 |
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You do need the dp fix (Cobb just hides the dash light), but you don't have to remove the tune (if you're running any of the stage 1 maps). PA has the same inspection process, and I went through with no problems whatsoever.
BTW, my Cp-e DPs are currently for sale... I sold my car about a month ago.
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12-25-2012, 02:03 PM | #14 | |
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If you want to stay clear from all the above, get downpipes w/ HighFlow Catts and have your mid catts removed later Edit: Kinda figured I was going to get a back lash about the DP / Smoke statement on the side lines. So let me clarify. Usually when people do DPs the next thing that is done are removing mid-pipes (sooner or later). I did not say you "WILL" blow your seals if you go cattless. I said you "RISK" the chance of smoking usually caused by seals coming to their end of life. This mostly happens (smoking) with those who are "completely cattless", which is one of those mod bugs when you start removing catts. Being cattless but keeping your mid catts retains some sort of back preasure which in return "reduces" the chance of smoking like a chimney. However, you will still fail emissions unless you rig up something like a DP fix . Our turbos were designed to have some sort of back pressure and the seals on them suck azz badly. My recommendations to the OP was to get downpipes with HighFlow catts and still pass emissions even if he decides to reduce more back pressure by removing the mid catts Last edited by BQTuning; 12-26-2012 at 09:15 AM.. |
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