CustomLowz

CustomLowz www.customlowz.com DIY Car Audio Made Easy! Subwoofer Box Plans and Flat Pack Subwoofer boxes! The BEST subwoofer Boxes on the internet!

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Alright y’all! These don’t do me any good sitting in the shop! Let’s make a deal! I’ll accept ANY reasonable offer. So s...
09/09/2026

Alright y’all! These don’t do me any good sitting in the shop! Let’s make a deal! I’ll accept ANY reasonable offer. So send me a dm and make a deal! If your local to me in Tennessee and can pick them up, you’ll get an even better deal!Both are made for 2019-2025 GM Crew cab & Double Cab. Each box is 2.2 cuft tuned to 32hz!
7 3/8” cutout
8 7/8” flush mount!

FOR SALE! Only $500 FREE SHIPPING! Comes with $75 of store credit on www.customlowz.com 2019-2025 GM Crew cab and DBL ca...
09/08/2026

FOR SALE! Only $500 FREE SHIPPING! Comes with $75 of store credit on www.customlowz.com
2019-2025 GM Crew cab and DBL cab! No seat lift required! (2) 8s! 2.2cuft after displacement tuned to 32hz!
Inner diameter/cutout- 7 3/8”
Outer diameter/flush mount- 8 7/8”

🚨FOR SALE! 🚨2019-2025 GM Crew Cab box! Made for (4) 8” woofers. 2.2 cuft after displacement tuned to 32hz! $700 shipped!...
09/08/2026

🚨FOR SALE! 🚨2019-2025 GM Crew Cab box! Made for (4) 8” woofers. 2.2 cuft after displacement tuned to 32hz!
$700 shipped!
Cutout/inner diameter- 7 3/8”
Outside diameter/flush mount - 8 7/8”

09/07/2026

For sale! 2019-2025 GM Crew Cab box. $500 shipped!

Labor Day sale! $500 shipped. 2019-2025 GM Crew cab box! (2) 8s! 2.2cuft after displacement tuned to 32hz! Inner diamete...
09/07/2026

Labor Day sale! $500 shipped. 2019-2025 GM Crew cab box! (2) 8s! 2.2cuft after displacement tuned to 32hz!
Inner diameter/cutout- 7 3/8”
Outer diameter/flush mount- 8 7/8”

2019-2025 GM Crew! (2) 8s kerf port box! No seat lift needed!
09/06/2026

2019-2025 GM Crew! (2) 8s kerf port box! No seat lift needed!

09/06/2026

Upcoming! 2019-2025 GM Crew! (2) 8s! No seat lift needed! Perfect for sundown X8s!

09/05/2026

2019-2025 GM Crew Cab! (4) 8s! 2.23 cuft net tuned to 32hz! Fits without a seat lift!
$800 shipped!
Dm me to order

2019-2025 GM Crew Cab! (4) 8s! 2.23 cuft net tuned to 32hz! Fits without a seat lift! $800 shipped! Dm me to order
09/05/2026

2019-2025 GM Crew Cab! (4) 8s! 2.23 cuft net tuned to 32hz! Fits without a seat lift!
$800 shipped!
Dm me to order

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Jasmine Estates, FL

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Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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