2018 Stereo Upgrade Pics - Chevy Traverse Forum: Chevrolet Traverse Forum
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post #1 of 15 (permalink) Old 04-24-2019, 02:10 PM Thread Starter
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2018 Stereo Upgrade Pics

I wanted to post this here in case anyone wanted to get some ideas on their own ride. I couldn't find anything anywhere about someone doing something similar to their '18 or '19 Traverse before I started this project and it definitely would have helped me. This was all done in a 2018 Premier.

So I installed a pair of Stereo Integrity 6.5" and Audiofrog 2.5" in the doors. I created a custom mount out of 1/2" and 3/4" MDF for the speakers, and the 2.5" speaker has a small enclosure of ~0.2L. A substantial amount of CLD tiles was stuck to inner door panel, outer door metal, and inner door metal. The holes in the doors were covered in sheet metal, a layer of closed cell foam and them mass loaded vinyl went in there too right behind the interior door panel.






I fabricated mounts out of ABS for the 1" Audiofrog tweeters, which went in the stock locations at top of dash.



Mount for circuit breaker made out of 1/4" ABS.





I used a PAC AP4-GM61 to get a clean audio signal from the factory head unit. I created a mount for it out of 1/8" ABS and secured it underneath the passenger footwell. This unit also has a non-fading level control knob that I installed in the center console.








The amp rack and enclosure for a JL Audio 10TW3 I built to fit into the removable cargo bin area. I routed all the speaker and remote connections through a MOLEX connector for easy connect/ disconnect in case I need to get to the spare tire. The DSP is the Alpine PXE-0850S and the amp is Alpine PDX-V9. The control for the DSP just sits in my center armrest storage area.





Thanks for checking it out!
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post #2 of 15 (permalink) Old 04-24-2019, 03:03 PM
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Wow this is amazing... And very clean installation... Nice work!

I guess I should be glad I don't have a good enough ear to tell a huge difference between normal and superior radios.
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post #3 of 15 (permalink) Old 04-24-2019, 04:36 PM
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This is a labor of love - VERY NICE !
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post #4 of 15 (permalink) Old 04-25-2019, 07:08 PM
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Nice job! I'm happy with the Bose system, but, like you, I upgraded the stereo on my Harley. It truly is a daunting task, but a labor of love.
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post #5 of 15 (permalink) Old 04-25-2019, 09:12 PM Thread Starter
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Quote:
Originally Posted by cintocrunch View Post
Wow this is amazing... And very clean installation... Nice work!

I guess I should be glad I don't have a good enough ear to tell a huge difference between normal and superior radios.
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Originally Posted by cuzed2 View Post
This is a labor of love - VERY NICE !
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Originally Posted by Bafflingbs View Post
Nice job! I'm happy with the Bose system, but, like you, I upgraded the stereo on my Harley. It truly is a daunting task, but a labor of love.
Thanks for the compliments! It was definitely a labor of love... It took about 5 months to complete. I have 2 young kids so I could only work on it a few nights a week after they went to bed. There were a bunch of times when I was right on the verge of giving up and taking it to a audio shop to finish. I mean this car is a PITA to install stuff in. Just to run wire to the trunk I have to remove the front seats, 3rd row seats, and EVERY PANEL.

To be honest, the BOSE system didn't sound too bad. The center channel annoyed me though, as it seemed like all the audio content was coming out of the center channel. Maybe it was too loud compared to the left and right speakers. But even if the stereo sounded great I would have done this anyways because this is my hobby. I realize it's a pretty stupid hobby but what can you do
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post #6 of 15 (permalink) Old 04-25-2019, 09:17 PM Thread Starter
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BTW- - I have a lot more pics and info up in the 'Build logs and Project Install Gallery' at diymobileaudio.com if anyone is interested. I am not allowed to post links here apparently otherwise I would link to it directly. You should be able to find it quite easily by searching for '2018 Traverse', since as of today it's the only Traverse on there.
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post #7 of 15 (permalink) Old 04-29-2019, 01:28 PM
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BTW- - I have a lot more pics and info up in the 'Build logs and Project Install Gallery' at diymobileaudio.com if anyone is interested. I am not allowed to post links here apparently otherwise I would link to it directly. You should be able to find it quite easily by searching for '2018 Traverse', since as of today it's the only Traverse on there.
Here's the direct link to that forum: LINK

And how many pounds of Dynamat and such do you think you installed in it? A noticeable difference in sound isolation with road noise now or tire noise with the radio off?
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post #8 of 15 (permalink) Old 05-01-2019, 09:24 PM
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Very nice job! Do you have any problems with the cargo lid or plastic lining vibrating from the subwoofer? How good is the sound transfer thru the cargo lid?
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post #9 of 15 (permalink) Old 05-02-2019, 08:48 PM Thread Starter
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Here's the direct link to that forum: LINK

And how many pounds of Dynamat and such do you think you installed in it? A noticeable difference in sound isolation with road noise now or tire noise with the radio off?

Thanks for posting the link!

I used about 30 sq. ft. of dynamat- type material. The only places I used it were the front doors, the spare tire well, and along the rear quarter panels. The dynamat primarily stops the thin panels from vibrating from the 6.5" speakers in the doors and the sub in the back. I definitely noticed a difference in vibration with the dynamat. The door feels much more sturdy, like you would expect from a luxury car or something. I also used mass-loaded vinyl in the doors and that is supposed to block road noise, but I am not sure if I really noticed a difference. You see, I had to drive around without either the driver door panel or passenger door panel for weeks at a time. Without the door panel even more road noise gets into the cabin. So my A/B comparison went from having no door panel on the door at all, to having mass-loaded vinyl, closed cell foam, and door panel back on. I bought a ton more mass-loaded vinyl than i used because I was planning on coating a lot of the car in it, but the project just ended up taking too long as it is so I never followed through.

I also don't have ANC anymore since all the stock speakers are disconnected.
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post #10 of 15 (permalink) Old 05-02-2019, 08:56 PM Thread Starter
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Very nice job! Do you have any problems with the cargo lid or plastic lining vibrating from the subwoofer? How good is the sound transfer thru the cargo lid?
Thanks!

I do get some vibration in the trunk area when the sub is playing really loud, louder than I normally listen to it. One day I plan on adding a bunch more CLD tiles to the rear area and hatch lid.

I did a few things to the cargo bin to make sure it didn't rattle. I covered the outside of it in Dynamat-like material, I used closed cell foam where the cargo bin touched the car metal on the bottom, and I lined the spare tire well with two layers of that same material.

The last phase of my install was going to be to tear off the factory carpet from the cargo lid, drill some 1" to 2" holes in the lid over the subwoofer, then re-carpet. To my surprise, the subwoofer sounded just fine with the cargo lid closed as-is. However, I think I may have to drill the holes anyways to allow some more airflow for the amp. I think the 5-channel amp may be overheating.
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