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The Sedan Exhaust Thread

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Old 10-30-2017, 08:04 PM
  #901  
Rochester
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Originally Posted by Wellnotexactly
I never thought exhaust tips mattered until I realized how much I didn’t like the stock tips. Looking forward to how it sounds!
Yep. First inexpensive mod I did on this car was have my mechanic cut the OEM tips off and weld something new in their place. Went with that for three years until getting a full catback.

The OEM tips are garbage on the G37. Seems like such a boneheaded design decision, too.

Old 10-31-2017, 12:25 AM
  #902  
SkyG37
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Those are def some ugly tips lol. And sorry guys I'll 100% post pics tomorrow. Just got home and the warriors game is on haha.

But I got my tips in but I have no idea how to attach them to the axle back -_-. I'll figure it out. 4.5" tips are huge btw. I thought my Ark Grip tips were huge. Boy was I wrong.

Edit: wow I guess 4.5" looks different on the car as ark is 4.5" as well. WTF lol

Last edited by SkyG37; 10-31-2017 at 12:37 AM.
Old 10-31-2017, 11:24 AM
  #903  
woofersus
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Originally Posted by SkyG37
Congratulations on getting your topspeed exhaust. All you need is a MD XYZ Y pipe. Resonated or straight piped, it's up to you. Do you plan to go full bolt on first than tune, or tune after you install the exhaust.
Do they make one that fits AWD? A resonated y-pipe is attractive to me, as I don't want rasp.

I'm not going too crazy with my power bolt-ons, so exhaust and intake are pretty much it as far as things that affect a tune. It's awfully tempting to do the manifold, but I'm not sure the performance gains justify the cost. The exhaust has the double effect of also making the car look better.

Right now, I have silicone tubes and Afe pro dry filters up front, and I've considered doing a full intake replacement, but I'm skeptical it gets me that much in terms of performance over what I have. I don't really want an intake that requires me to pull the bumper to clean filters either, so my options are reduced to short ram systems which offer less actual performance than long tube CAI's. The cats and narrow areas in the exhaust are the pinch points for airflow. Plus, I actually like the way the black silicone tubes look in the engine bay. I like to keep it simple. I only wish there were a less ugly version of the plastic boxes up front for the filters available.

The plan right now is to put the exhaust on, get my tune (already bought Ecutek) and be done with engine performance mods. Something could always catch my eye, I suppose, but I only want to tune once.

Already done: Hotchkiss Swaybars, endlinks, (rear SPL adjustable and front Moog) Swift Springs, H&R 15mm Spacers, Kinetix front camber arms, SPC rear camber arms, Akebono BBK w/EBC rotors and Project mu pads, the aforementioned Z1 silicone post-MAF tubes and Afe pro dry filters, and I'm having Whiteline poly diff bushings done at the same time as the exhaust goes on tomorrow. Next stop, tune.
Old 10-31-2017, 01:17 PM
  #904  
Jake85
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Originally Posted by Wellnotexactly
So far so good! My tips arrived at the tuner shop and the system is set to be delivered by this coming Tuesday. I’ve already made an install appointment for next Friday and oh my gosh I can’t wait. I’ve been debating on getting HFC or RTP and having it all done at the same time. Part of me wants to say screw it, especially after hearing MaQ’s video he posted, but I feel like I should see how loud it is in person with stock cats before I take the plunge.

Jake, holy crap man, I’m so sorry your exhaust got lost/stolen. I feel like by the time we’ve got these things installed they’ll be like damned badges of honor. “Oh, you ordered your exhaust online and got it and installed it in 3 days? That’s cute.” Your posts made me nervous so now I’m checking the tracking data on mine as we speak LOL.
Lol thanks man. Badges of honor ineeed. I will scream the call of our people through the streets of Portland, offending mothers and exciting enthusiasts. Oh Saturday, you can not come soon enough
Old 10-31-2017, 01:21 PM
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The exhaust is scheduled to be delivered by UPS tomorrow. Saturday is going to be a day of celebratory, boisterous WOT revving and unnecessary downshifting. Hopefully I can set off some car alarms like my dads old mustang.
Old 10-31-2017, 04:54 PM
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SkyG37
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Time to bless y'all hearts . I'm not sure if my midpipe and axle back section is correct tho. can someone confirm please






Old 10-31-2017, 04:55 PM
  #907  
SkyG37
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Please excuse the shoes, dirty carpets, etc. Yes, we are going to remodel soon -_-
Old 10-31-2017, 04:59 PM
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Rochester
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I almost forgot the design... one dual-pipe muffer just 18" after the cats, feeding straight pipes with a Helmholtz resonator at each end. Man, that's going to be loud. Really, really loud.
Old 10-31-2017, 05:01 PM
  #909  
SkyG37
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Originally Posted by Jake85
The exhaust is scheduled to be delivered by UPS tomorrow. Saturday is going to be a day of celebratory, boisterous WOT revving and unnecessary downshifting. Hopefully I can set off some car alarms like my dads old mustang.
I set of car alarms sometimes (once in a blue moon) in parking garages with my ark. I'll for sure be able too with my MD (Not that I'm trying to). I can just imagine you pacing back and forth at work until Saturday. Mine is installed on Thursday.

Last edited by SkyG37; 10-31-2017 at 05:15 PM.
Old 10-31-2017, 05:15 PM
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SkyG37
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Originally Posted by Rochester
I almost forgot the design... one dual-pipe muffer just 18" after the cats, feeding straight pipes with a Helmholtz resonator at each end. Man, that's going to be loud. Really, really loud.
Depending on how loud it is, if it's too much, I'll order FI RHFC or maybe go back to stock. The ark has a muffler and resonator at the end so it's def gonna be louder than the ark. I'll try and get a sound clip for Thursday.
Old 10-31-2017, 09:24 PM
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Calg37USMC
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Originally Posted by SkyG37
Time to bless y'all hearts . I'm not sure if my midpipe and axle back section is correct tho. can someone confirm please






My hermoltz resonators are slightly different in the rear section I’ll try to post a pic for you.
Old 10-31-2017, 09:27 PM
  #912  
Calg37USMC
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Mine are squared. I don’t think it’s a big deal but I just noticed that
Old 10-31-2017, 10:08 PM
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SkyG37
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Originally Posted by Calg37USMC


Mine are squared. I don’t think it’s a big deal but I just noticed that
Ahh are you talking about the HH resonator on the axle back is more squared off on the bottom versus mine being more rounded? Shouldn't be a big deal, or I hope not.
Old 10-31-2017, 10:11 PM
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VQ37VHR13
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Originally Posted by SkyG37
Time to bless y'all hearts . I'm not sure if my midpipe and axle back section is correct tho. can someone confirm please
Here are pics of mine, although my resonators are similar to Cal's. I think you'll be fine like he said though.
Attached Thumbnails The Sedan Exhaust Thread-20171008_113228.jpg   The Sedan Exhaust Thread-20171008_113459.jpg   The Sedan Exhaust Thread-20171008_113259.jpg  
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Old 10-31-2017, 10:14 PM
  #915  
Calg37USMC
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Originally Posted by SkyG37
Ahh are you talking about the HH resonator on the axle back is more squared off on the bottom versus mine being more rounded? Shouldn't be a big deal, or I hope not.
Correct. I’ve been noticing some inconsistency with MD. No complaints here just a lil weird and sometimes it scares me because I ordered through a shop and I know there are knock offs out there!


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