M2 dp install... Broke vband bolt - Page 2 - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #11 of 30 (permalink) Old 02-20-2012, 08:38 AM Thread Starter
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Ya I used the gaskets too. I don't see or hear any leaks, but the extra antisieze burning off freaking stinks. I was like wow what's the stink? Popped my hood... shit where's this smoke coming from!? Oh it's just the antisieze on the O2 sensors. Fwew it stinks.

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post #12 of 30 (permalink) Old 02-20-2012, 08:45 AM
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OK, so I installed the gasket too, sort of an automatic reaction I guess.....

Wondering if that explains why the crappy v-band clamp is such a shit- mine barely fit.

I'm thinking that perhaps the gasket was only included for problems, and would normally not be used (since the gasket is not normally used for this style connection) and that the included v-band would work better and last much longer if the gasket was skipped at first install?


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post #13 of 30 (permalink) Old 02-20-2012, 08:56 AM Thread Starter
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Maybe that's is why it was a pita to get on... Oh well just gotta keep an eye on the temp fix until a new vband clamp comes.

2007 mazdaspeed 6 sport. BM. 93k miles. Bolted, Blow Through, BNR Stage 3.
Prosport Digital Red Boost gauge Center Vent. Black and Red DR21's 18" with Nitto Invos. 235 40 zr18 summer sneakers. Stock rims Goodyear Ultra Grip WRT 225/45/18 winter boots. *Rear ended, totaled*

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post #14 of 30 (permalink) Old 02-20-2012, 02:30 PM Thread Starter
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Pictures Of DownPipe... Mostly Installed, and the Vband Clamp fixed, what parts I used... and then broken again :/

Running Stage 2 tune now. 17.5psi peak, tapering to 16psi at redline. Corksport SRI+TIH, 93 Octane. Car is a beast now. It even snarls like one.

Added Soundclip to OP.
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2007 mazdaspeed 6 sport. BM. 93k miles. Bolted, Blow Through, BNR Stage 3.
Prosport Digital Red Boost gauge Center Vent. Black and Red DR21's 18" with Nitto Invos. 235 40 zr18 summer sneakers. Stock rims Goodyear Ultra Grip WRT 225/45/18 winter boots. *Rear ended, totaled*

2014 Mitsu Evo X GSR. Brand New. Bone Stock.

Last edited by Seigisama; 02-20-2012 at 02:48 PM.
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post #15 of 30 (permalink) Old 02-20-2012, 03:30 PM
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it'll sound even better in a few weeks as it mellows (builds up carbon inside the dp), less raspy in the cabin, more snarl outside


these things pull like a freight train with the m2 compared to having the stock dp on there! Enjoy!


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post #16 of 30 (permalink) Old 02-20-2012, 03:35 PM Thread Starter
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Pulls like 2 tandem freight trains going downhill with a tail wind. My Fiancee kept going "Honey please stop accelerating so hard." And I said "but baby I'm barely touching the gas peddle." Boost is Instant. Before 10 PSI needed the long peddle almost to the floor, now just a little blip of the throttle and bang 10 psi. Now I can't wait to get my summer sneakers back on so I can have some fun. The Lack of snow in the Poconos this year has almost completely ruined my Blizzaks. Yet I know the instant I put my nitto 555's back on we'll get a foot of snow.

2007 mazdaspeed 6 sport. BM. 93k miles. Bolted, Blow Through, BNR Stage 3.
Prosport Digital Red Boost gauge Center Vent. Black and Red DR21's 18" with Nitto Invos. 235 40 zr18 summer sneakers. Stock rims Goodyear Ultra Grip WRT 225/45/18 winter boots. *Rear ended, totaled*

2014 Mitsu Evo X GSR. Brand New. Bone Stock.
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post #17 of 30 (permalink) Old 02-21-2012, 12:28 PM
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Nice. I'll have to keep this in mind. Looking to upgrade to the M2 but am a bit concerned since i haven't upgraded my internals yet. How does the fuel pressure look when you get on the throttle. I'm debating just doing the DP and monitoring the fuel pressure until I see a need to upgrade those internals.

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post #18 of 30 (permalink) Old 02-21-2012, 12:41 PM Thread Starter
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I upgraded my fuel pump internals BEFORE I installed the Downpipe. The Stock internals were dipping into the 11's and 12's. The New Autotech internals are 17-18's, but I haven't noticed a loss in pressure after the DP install with the new internals. If you add the cost of the M2 Downpipe TO the Cost of KMD or Autotech internals, you're still paying Less than Just the cost of the DP from anyone else.

2007 mazdaspeed 6 sport. BM. 93k miles. Bolted, Blow Through, BNR Stage 3.
Prosport Digital Red Boost gauge Center Vent. Black and Red DR21's 18" with Nitto Invos. 235 40 zr18 summer sneakers. Stock rims Goodyear Ultra Grip WRT 225/45/18 winter boots. *Rear ended, totaled*

2014 Mitsu Evo X GSR. Brand New. Bone Stock.
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post #19 of 30 (permalink) Old 02-21-2012, 12:54 PM
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Quote:
Originally Posted by Seigisama View Post
I upgraded my fuel pump internals BEFORE I installed the Downpipe. The Stock internals were dipping into the 11's and 12's. The New Autotech internals are 17-18's, but I haven't noticed a loss in pressure after the DP install with the new internals. If you add the cost of the M2 Downpipe TO the Cost of KMD or Autotech internals, you're still paying Less than Just the cost of the DP from anyone else.

Words worth repeating......
get the HPFP squared away prior to installing DP or upgraded IC


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post #20 of 30 (permalink) Old 02-21-2012, 01:07 PM
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I'll take my CPE downpipe over the M2 any day without question. I know its just exhaust and its not CRITICAL if it cracks but i like knowing that my downpipe will last a lifetime without any issues.

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