07-26-2021, 07:19 AM | #1 |
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Dinan Resonator Delete and/or Axle-Back Exhaust Feedback
I've searched the forum and read through most of the exhaust mod threads but cannot find any feedback specifically for the M5 Competition. Has anyone with an M5C done the Dinan Resonator Delete and/or the Dinan Axle-Back Exhaust? I want the option of a more aggressive sound, but really need to maintain the exhaust valves to keep it close to OEM sound level on cold start. My neighbor already calls my car her second alarm clock! Thanks!
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Current: 2022 Donnington Grey M5 Competition, 2014 Anvil WW Jeep Wrangler
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07-26-2021, 12:56 PM | #2 | |
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07-31-2021, 08:28 AM | #3 |
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I'm curious as to how much cutting is required. Dinan advertise it as a bolt on option but I assume that's after you measure and cut off the oem section. Which I'm contemplating tackling myself.
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07-31-2021, 10:39 AM | #4 |
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Hey Maverick, would you mind keeping me posted on this if you find out. I’m thinking about doing the same and would really like to know the answer before I get over my head
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07-31-2021, 11:48 AM | #5 |
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Yes, I spoke to a Dinan tech. If you’re doing both the resonator delete and the muffler they are designed to mate up. So you just need to cut the OEM exhaust ahead of the resonator - so two cuts, one for each pipe. Same thing if you’re doing just the muffler, except the cuts are after the resonator. The tricky one is doing just the resonator because you need to do four cuts.
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07-31-2021, 01:21 PM | #6 |
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I'm getting the resonator delete on my M5C when it arrives in a couple weeks so I'll definitely be posting photos and sound bites. It'll also have the Eventuri CF intake system installed so the sound may be a bit deceiving though.
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Currently - '21 M5 Competition LCI; Exterior: Alpine White
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07-31-2021, 02:30 PM | #7 |
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07-31-2021, 02:40 PM | #8 |
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Yes - it's on the Garnet Leader - slated to arrive at Port Hueneme (LA) on Aug 5th...then it's going to make its way here to Arizona.
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Currently - '21 M5 Competition LCI; Exterior: Alpine White
2) '17 X5 40eDrive M-Sport; Exterior: Alpine White 3) '15 650x GC M-Sport; Exterior: Alpine White 4) '12 550 M-Sport; Exterior: Alpine White INSTAGRAM: hum5int |
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07-31-2021, 03:39 PM | #9 |
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On Hawaiian Highway expected to reach Baltimore on Aug 4th. Then 2 weeks to dealership. Specs?
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07-31-2021, 03:51 PM | #10 | |
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'21 M5C Alpine white M Pro Spoiler Black leather interior Once it arrives here… Eventuri CF intake system Sterckenn CF front splitter Dinan resonator delete Accent wraps on front bumper intake (tricolor) 20% ceramic tint
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Currently - '21 M5 Competition LCI; Exterior: Alpine White
2) '17 X5 40eDrive M-Sport; Exterior: Alpine White 3) '15 650x GC M-Sport; Exterior: Alpine White 4) '12 550 M-Sport; Exterior: Alpine White INSTAGRAM: hum5int |
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07-31-2021, 03:53 PM | #11 |
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So where would you take your car to have the resonator delete done? I just recently moved and it was a very knowledgeable friend who used to help me work on my old cars. For something like this would you take it to a custom shop, a muffler shop, any high end mechanic?
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07-31-2021, 04:05 PM | #12 | |
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You bring up a great point though….you definitely gotta do your homework and find not only a reputable and capable place but one with expertise and you being comfortable with them.
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Currently - '21 M5 Competition LCI; Exterior: Alpine White
2) '17 X5 40eDrive M-Sport; Exterior: Alpine White 3) '15 650x GC M-Sport; Exterior: Alpine White 4) '12 550 M-Sport; Exterior: Alpine White INSTAGRAM: hum5int |
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07-31-2021, 04:05 PM | #13 | |
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07-31-2021, 04:21 PM | #14 | ||
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08-03-2021, 10:54 PM | #15 | |
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08-04-2021, 07:24 AM | #16 | |
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08-04-2021, 09:30 AM | #17 | ||
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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08-04-2021, 08:45 PM | #18 |
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you guys are pissing away money by using fancy brand name pipes.
just use regular straight pipe.. sounds great. |
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08-05-2021, 06:27 AM | #19 | |
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Are you just straight piping to the resonator back all the way or what? I want to do a straight pipe instead of the X I think, but I’m not sure what muffler/exhaust parts I need |
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08-06-2021, 09:07 AM | #20 |
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Just dropped off to get the resonators removed and I asked if they could just cap that bypass tube between the mufflers. Fingers crossed. I'll report back this afternoon. If I like it and there's no drone I'll cancel my dinan order.
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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08-06-2021, 09:08 AM | #21 | ||
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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08-06-2021, 01:50 PM | #22 |
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I did the Dinan Xpipe resonator delete. The car (2018 M5) got louder outside and more refined sounding, with almost exotic undertones.
However, definitely quieter inside the cabin! |
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