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2021 Chevy Silverado RST Crew Cab Build

6614 Views 96 Replies 12 Participants Last post by  Mike_Saw_75
I know I know another Silverado build log. This is my 2021 Silverado 1500 RST (non-bose) with the 6.2L. Currently have the Borla S-type exhaust and S&B cold air intake. Looking to do a 4 inch lift and some 35's in the future. For now though the focus is the sound system.
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I am very green when it comes to car audio but since joining DIYMA I have to say I have learned a lot and continue to learn every time I check the forums.

My setup will sound very familiar to many here since I will be running some of @RickWilson old (new to me) equipment. I purchased his JL Audio Stealthbox, Helix V8 dsp mk2 and Helix P-one. This totally got the ball rolling and I have already changed what I had originally planned. Along with the above equipment I will be running Audiofrog GS10's in Valicar Pods, GS25's in the stock dash location and Audiofrog GS62 in the rear doors since I usually have my kids back there. I planned on the GS690's in the front doors but after reading so many posts, I ended up purchasing the Blam WS6's from @clange2485. He is local and I am glad to have such a great guy nearby if I need help with something.

Today I started the actual build after accumulating all the little things that one needs to do a full install. I mounted the Knukonceptz fuse holder on some 1/4" ABS. It will have a nice short run to the battery.
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I also made all the wiring harnesses that I need to run the GS10 and GS25. I ended up using Knukonceptz 16 Gauge in blue and also red/black so I know what connects to which speaker. Probably made them a little to long but better than coming up short.
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My plan is to run the one set on the drivers side and the other on the passenger side. Seems to be easier this way but who knows.

I then made a 10 gauge speaker harness for the stealthbox and finished off the ends with ferrules.
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Since I will be running an LLJ Custom Harness which has a 12 volt +/- and need to get 12 volts to the center console I made a harness to go to the Audison B-Con I am installing. I also will be wiring this harness to a 12v to 5v usb micro converter to make it easier to plug into the B-Con.
Automotive tire Tire Electric blue Circle Rim


Last but not least I wired up the Audiofrog TP-50v2 tweeter protectors using some XT-30 connectors. I wired them so I can take them out and still be able to plug in the speakers. Never know if they go bad or not.
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More to come as time allows.
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Looks like a great start. Especially with assistance of two great guys. On board for more
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That's a great idea on using 2 different colors for the speaker harness. Knu didn't make the red/black version when I did mine and having 2 blue/blueblack stripe coming from each door can be a pain without labels.
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Great looking truck! I’m looking forward to following your build.
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I know I know another Silverado build log. This is my 2021 Silverado 1500 RST (non-bose) with the 6.2L. Currently have the Borla S-type exhaust and S&B cold air intake. Looking to do a 4 inch lift and some 35's in the future. For now though the focus is the sound system.
View attachment 357644

I am very green when it comes to car audio but since joining DIYMA I have to say I have learned a lot and continue to learn every time I check the forums.

My setup will sound very familiar to many here since I will be running some of @RickWilson old (new to me) equipment. I purchased his JL Audio Stealthbox, Helix V8 dsp mk2 and Helix P-one. This totally got the ball rolling and I have already changed what I had originally planned. Along with the above equipment I will be running Audiofrog GS10's in Valicar Pods, GS25's in the stock dash location and Audiofrog GS62 in the rear doors since I usually have my kids back there. I planned on the GS690's in the front doors but after reading so many posts, I ended up purchasing the Blam WS6's from @clange2485. He is local and I am glad to have such a great guy nearby if I need help with something.

Today I started the actual build after accumulating all the little things that one needs to do a full install. I mounted the Knukonceptz fuse holder on some 1/4" ABS. It will have a nice short run to the battery. View attachment 357648

I also made all the wiring harnesses that I need to run the GS10 and GS25. I ended up using Knukonceptz 16 Gauge in blue and also red/black so I know what connects to which speaker. Probably made them a little to long but better than coming up short. View attachment 357649

View attachment 357650

My plan is to run the one set on the drivers side and the other on the passenger side. Seems to be easier this way but who knows.

I then made a 10 gauge speaker harness for the stealthbox and finished off the ends with ferrules. View attachment 357651

Since I will be running an LLJ Custom Harness which has a 12 volt +/- and need to get 12 volts to the center console I made a harness to go to the Audison B-Con I am installing. I also will be wiring this harness to a 12v to 5v usb micro converter to make it easier to plug into the B-Con. View attachment 357656

Last but not least I wired up the Audiofrog TP-50v2 tweeter protectors using some XT-30 connectors. I wired them so I can take them out and still be able to plug in the speakers. Never know if they go bad or not.
View attachment 357657

More to come as time allows.
Your off to a great start! Beautiful truck and nice upgrades, This is gonna be good. I can’t wait to hear it and see it when it’s all put together. 🍻
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Terrific start to the build man! Can’t wait to see the rest come together. I may steal that fuse location actually.

most curious about how those ws6 woofers sound.
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I may steal that fuse location actually.
Steal away! I'm pretty sure I am stealing a lot of what you did. Actually... I know I am. Lol

I can't wait to hear those Blams with all the sound deadening I will be doing and adding the block off plates. I may not even need to crank up the stealthbox that much.
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Made the lead from the battery to the fuse holder after work today. Will be a nice short run, less than 12 inches.
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Rainy miserable day here in crappy Illinois and not looking good for awhile temperature wise. Wanted to really plan on starting the sound deadening but with temps in the teens coming I'm not even going to attempt it.

I think the next "project" will have to be cleaning out my garage just so I can fit my truck. Not heated but better than nothing.
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I'll trade you my lake effect weather.....
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I'll trade you my lake effect weather.....
Still better than living in Buffalo, NY with that lake effect snow.
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Atleast they get snow. We get mush, ice and hard wind. I have a space heater in my garage and it doesn't get above 50⁰(around the heater). The only thing that really helps is that it is a cinder block garage, less heat loss
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Today I planned on finishing the conductor mount that my friend I work with 3D printed. Thanks to @RickWilson for the design and location idea from his build since there are not many options in this truck to mount it.

I first used Gorilla 5 minute epoxy to glue the 3 pieces together. I then sprayed a few coats of black SEM build primer. I will need a few more coats for sure to get rid of those gaps that 3d printing does.

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I may have to actually fill it with some bondo and then sand down but if I do not like how it turns out I can always get another one printed.

Camera accessory Tin Beverage can Aluminum can Camera lens


Went to see how the SEM trim paint sprayed and looked but to my surprise NO NOZZLE! :mad: I tried the nozzle from the build primer and it did not work. Emailed SEM in hopes they replace the can.... More to come.
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Today I planned on finishing the conductor mount that my friend I work with 3D printed. Thanks to @RickWilson for the design and location idea from his build since there are not many options in this truck to mount it.

I first used Gorilla 5 minute epoxy to glue the 3 pieces together. I then sprayed a few coats of black SEM build primer. I will need a few more coats for sure to get rid of those gaps that 3d printing does.

View attachment 358470

I may have to actually fill it with some bondo and then sand down but if I do not like how it turns out I can always get another one printed.

View attachment 358471

Went to see how the SEM trim paint sprayed and looked but to my surprise NO NOZZLE! :mad: I tried the nozzle from the build primer and it did not work. Emailed SEM in hopes they replace the can.... More to come.
That sucks! I like that location for the conductor. Mine isn’t bad but I can’t see the lights past a certain point, no big deal just keep turning it up! 😁

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That sucks! I like that location for the conductor. Mine isn’t bad but I can’t see the lights past a certain point, no big deal just keep turning it up! 😁

View attachment 358483
I actually have my conductors lighting rotated by 180 deg because I kept finding the volume range I listened to was out of sight lol.
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I actually have my conductors lighting rotated by 180 deg because I kept finding the volume range I listened to was out of sight lol.
I was thinking about doing that to.
I actually have my conductors lighting rotated by 180 deg because I kept finding the volume range I listened to was out of sight lol.
That makes sense and is actually easy to do with this mount by just turning it around.

@clange2485 I like where you have yours mounted but I do not have that layout in my truck. I would have to go right into the headliner if I mounted it there.
That makes sense and is actually easy to do with this mount by just turning it around.

@clange2485 I like where you have yours mounted but I do not have that layout in my truck. I would have to go right into the headliner if I mounted it there.
It’s adjustable in the helix software and a big Nope to drilling the headliner. You’re on the right path.
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Well I have not made much progress at all due to the holidays, weather and other family things which takes up a lot of my time. All this time not working on installing things has me thinking of different avenues of my build.

My original plan was to install the Audiofrog GS62 in the rear doors for some fill. I got to thinking what if I can install the Audiofrog GS690's in the rear doors instead since I was not planning on using them any longer in my build.
Would this make sense to do? Would they fit? Pros vs Cons of doing this or not?

From a pure "Novice" perspective I would think that you kind of bridge that bass from the Subs under the back seat and the Blam WS6 woofers in the front doors. Below are the frequency responses for reference.

GS690 = 42Hz - 5kHz
Blam WS6 = 80Hz - 6kHz
Well I have not made much progress at all due to the holidays, weather and other family things which takes up a lot of my time. All this time not working on installing things has me thinking of different avenues of my build.

My original plan was to install the Audiofrog GS62 in the rear doors for some fill. I got to thinking what if I can install the Audiofrog GS690's in the rear doors instead since I was not planning on using them any longer in my build.
Would this make sense to do? Would they fit? Pros vs Cons of doing this or not?

From a pure "Novice" perspective I would think that you kind of bridge that bass from the Subs under the back seat and the Blam WS6 woofers in the front doors. Below are the frequency responses for reference.

GS690 = 42Hz - 5kHz
Blam WS6 = 80Hz - 6kHz
I’ve never gotten around to actually dialing in the rears in mine but I highly doubt you can fit a 6x9 in rear doors. Maybe your trucks different then mine. 🤷‍♂️
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Yeah, the 6x9 won’t fit back there sadly. But I’d rock the gs62s and not over think it too much. I run mine 100hz LR2 , 5000 hz LR1 as differential rear fill
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