03-24-2019, 05:45 PM | #89 | ||||
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03-24-2019, 06:22 PM | #90 | |
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AA best for non-OPF? I first want to hear it before making those kind of statements. In the end, AA would then be best for OPF and non-OPF. It replaces the mid pipe so there is no difference between OPF and non-OPF anymore. From a back box only point of view my money is on Akrapovic and Remus for now, as it was with the OG M2, but I would love to hear more systems over the coming months because there are so many out there, the choice is immense. So far Dinan and AA (only midpipe) have not landed in Europe yet. For us it is Eisenmann, Lightweight, Remus, Akrapovic and Milltek for now... Of course, there are more, but these are the ones that pop up the most. MR Last edited by MR.; 03-24-2019 at 06:32 PM.. |
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03-24-2019, 06:30 PM | #91 | |
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HFC DP's is an interesting upgrade, but I am worried all bells and whistles will go off in the ECU when you change the flow with different down pipes. Also you remove the back pressure sensors used as a safety net for the OPFs and which are on the stock down pipes. Better not to keep those OPFs, remove them. Without their monitoring system and with different down pipes it is a recipe for disaster, I think. Just get the DP's and fit a decent linkpipe without the OPFs. Those DP's might well be the sweet spot in between catless and stock. Knowing how loud the normal Eisenmann is... I cannot believe how loud the race will be. Oh my... MR |
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03-26-2019, 05:27 AM | #92 |
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03-26-2019, 07:24 AM | #93 |
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03-26-2019, 07:28 AM | #95 | |
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03-26-2019, 10:21 AM | #97 |
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03-26-2019, 10:35 AM | #98 | |
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03-26-2019, 11:48 AM | #99 |
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I spoke with Iain Litchfield at Litchfield earlier and he said they are about to start working with the company in the UK that manufactures the M Performance exhausts. Litchfield are going to start working with them to create an OPF delete pipe (middle section) from the downpipes to the muffler, keeping primary cats in the downpipes and keeping silencers. He said they are seeking to achieve an improvement in nose without it being too excessive, but allowing people to remove OPFs when they Stage 1 map their car. This is what I will be doing now: getting rid of the OPFs, mapping the car to circa 530-540bhp and getting a better exhaust note without spending silly money on an exhaust. Of course, I will look to paint my muffler black in the process
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03-26-2019, 07:00 PM | #100 | |
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03-26-2019, 10:49 PM | #101 |
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Agree need a proper video. Would be interested to hear the difference between the 'race' and 'sport' variants other than the description saying 'louder' for race.
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03-27-2019, 02:50 AM | #102 | ||
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Is the AA midpipe available in the UK or do we have to import it ourselves? Plus, I'm quite happy for Litchfield to reinvent the wheel for me and others who need a part like this. Let's see what the price comes out at.
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03-27-2019, 02:51 AM | #103 |
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03-27-2019, 02:53 AM | #104 |
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ML Performance in Surrey appear to sell AA products too.
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03-27-2019, 08:31 AM | #105 |
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I couldn't wait for Litchfield and Thomas Watson from Automotive Passion in Scotland got in touch after seeing me comment on someone else's AA mid pipe on a Facebook group. I've just bought his last AA mid pipe
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03-27-2019, 10:19 AM | #106 | |
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Probably not like for like but if anything similar, it's the best sound you can get on this engine I ended up pulling the trigger on the EC Remus instead. It's not as good as I'd like it to be but an improvement nonetheless. Unfortunately I'm not that comfortable with voiding warranty this soon haha. Hopefully something is released on the market that doesn't involve ECU flash for OPF bypass! |
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03-27-2019, 10:23 AM | #107 | ||
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As for the warranty, I've gotten past worrying about that now. This is a project car and it will always cost me money regardless.
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03-27-2019, 11:01 AM | #108 | ||
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03-27-2019, 06:38 PM | #110 |
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