8" Subwoofer Box Plans Pack!
Get all the 8" Subwoofer Box Plans available on the website plus some unreleased plans! 
If you can measure and make basic cuts, you can build on of our boxes! 
CustomLowZ makes it easy for anyone to build a great‑sounding subwoofer box—no experience required. Every plan is designed to be simple to follow, and tuned for real performance, so you can build a box that hits hard and sounds clean without guessing or stressing.
 
 
There are 110 Individual 8" Subwoofer Box Plans Located in This Instant Download File! 
DIY Subwoofer Box Plans Include
-Multiple 3-d Rendering Images
-Optimized Cut Sheet
-Specifications Sheet
At an average Value of $30 per plan, This is a $3300 Value!
Plans come in a Zipped folder. Sent Automatically in an instant download link
This Folder contains the 8" Subwoofer Box Plans below.
UNIVERSAL 8" ENCLOSURES
2 American Bass VFL 8s
2 DB Drive G7 8s 4th Order
2 DC Audio M4 8s RC
2 Sundown Audio X8s Kerf
3 CT Sounds Meso 8s Wedge
3 CT Sounds Strato 8s Downfire
3 JL Audio W7 8s
3 Skar Audio EVL 8s 6th Order
4 Skar Audio SVR 8s
4 Skar Audio SVR 8s Console
6 Skar Audio ZVX 8s
CT Sounds Meso 8s 6th Order
DD Audio 2508ESP 8s 4th Order
VEHICLE‑SPECIFIC 8" ENCLOSURES
FORD F150 — 2004–2008 SuperCrew
(2) CT Sounds Strato 8s
(2) CT Sounds Tropo 8s
(2) DC Audio M3 8s
(2) Skar Audio EVL 8s
(2) Skar Audio IX 8s
(2) Skar Audio SDR 8s
(2) Skar Audio SVR 8s
(2) Skar Audio ZVX 8s
(2) Sundown SA v2 8s
(2) Sundown E Series v6 8s
FORD F150 — 2006
(2) Skar Audio ZVX 8s
FORD F150 — 2007
(3) Sundown Audio E Series v6 8s
FORD F150 — 2008–2025 Crew / Crew Cab
(2) JL Audio W7 8s (2.5in Seat Lift)
(3) AudioControl SPK 8s
(4) Concrete Audio C5 8s (3.5in Lift)
(4) 8s (generic design)
FORD F150 — 2011–2021
2011 Crew Cab (4) Skar Audio EVL 8s
2012 Crew Cab (4) Gately Relentless 8s (3.5in Seat Lift)
2014 Crew Cab (4) Sundown Audio Xv4 8s
2015 Crew (4) CT Sounds Strato 8s
2015 SuperCrew (2) Sundown X 8s
2015 SuperCrew (4) B2 Audio Rampage 8s
2017 Crew (2) DD Audio 2508G 8s
2018 Crew (2) DD Audio 2508G 8s
2018 Crew (4) Sundown Audio U Series 8s
2019 Crew (4) JL Audio 8w3v3 8s
2020 Crew Cab (2) Audiopipe TXX‑BDX 8s
2021 Crew (4) DB Drive WDX8G 8s
2022 Crew (2) Sundown Audio Xv4 8s KerfCorners
2023 Crew (2) DB Drive G7 8s (2.5in Seat Lift)
2023 Crew (2) JL Audio W7 8s
2023 Crew (2) Sundown Z6 8s (2.5in Seat Lift)
2023 Crew (3) AudioControl SPK 8s
2023 Crew (3) Sundown Audio Xv4 8s
2023 SuperCrew (4) Sundown Audio U Series 8s
FORD RAPTOR
2022 Raptor Crew Cab (4) Audio Dynamics AD2208 8s
2023 Raptor Crew Cab (2) Kicker L7t 8s
FORD SUPER DUTY — F250 / F350
2013 F250 Crew (4) Skar Audio EVL 8s
2017–2025 F250/F350 Crew (4) 8s
2017–2025 F250/F350 Crew (4) Concrete Audio C5 8s (3.5in Lift)
2017–2025 F250/F350 Crew (3) AudioControl SPK 8s
2020 F350 Crew (4) Concrete Audio C5 8s (3.5in Lift)
2021 F250 Crew Cab (4) CT Sounds Meso 8s
2021 F250 Tremor (6) DD Audio 608F 8s
2022 F250 Crew (4) Sundown Audio Xv3 8s
CHEVY — Silverado / Crew / HD
2003 Crew (4) Skar Audio ZVX 8s
2008–2018 Crew (3) Skar Audio EVL 8s (2.5in Seat Lift)
2011 Silverado Crew (2) Sundown SA v3 8s
2012 Crew Cab (4) Skar Audio ZVX 8s
2012 Silverado Crew (2) Trinity Audio H8 8s
2012 Silverado Crew Cab (2) DD Audio 2508G 8s
2013 Crew (4) CT Sounds Tropo 8s (2.5in Seat Lift)
2013 Silverado 2500HD Crew CT Sounds Tropo 8s
2014 Crew (3) Skar Audio EVL 8s (2.5in Seat Lift)
2014–2019 Crew Cab (2) 8s
2014–2019 Crew Cab (4) 8s Design
2015 Silverado 2500HD Crew (4) Sundown E Series 8s Windows
2016 Silverado Crew (2) Nemesis NA‑8H v3 8s
2016 Silverado Crew (4) Sundown Audio Xv3 8s Windows
2017 Crew Cab (2) Skar Audio EVL 8s
2017 Crew Cab (4) Skar Audio EVL 8s
2017 Silverado Crew (4) Sundown Audio Xv3 8s (3.5in Seat Lift)
2017 Silverado Crew Cab (4) Kicker L7 8s (3.5in Lift)
2018 Silverado Crew (2) Sundown Audio Xv3 8s Half‑Box (2.5in Seat Lift)
2019 Crew (2) Sundown Audio Xv3 8s (No Lift)
2019–2025 GM Crew (2) Sundown Audio Xv3 8s (No Lift)
2019–2025 GM Triple Gately Audio Alpha 8s (No Lift)
2019–2022 Chevy/GMC Crew (4) Sundown E 8s
2020 Chevy Crew (4) Skar Audio EVL 8s
2020 Chevy Crew Cab (4) Skar Audio SVR 8s
2020 Silverado 2500 Crew (4) CT Sounds Meso 8s
2021 Chevy Crew Cab (4) Sundown Audio Xv4 8s
2021 Silverado (3) Gately Audio Alpha 8s (No Lift)
2022 Silverado Crew Cab (2) CT Sounds Meso 8s
2024 Chevy Crew Cab (2) Gately Audio Alpha v1 8s
GMC — Sierra / Crew / HD
2008 Sierra Crew (4) MMats Dreadnaught 8s (2.5in Lift)
2008 Sierra Crew Cab (2) Sundown SA v3 8s
2011 Sierra Crew (4) CT Sounds Meso 8s
2011 Sierra Crew (2) Kicker L7 8s
2014 Sierra Crew (4) Sundown SA v1 8s (2.5in Lift)
2014 Sierra 1500 Crew Cab (4) Sundown Xv3 8s
2014 Sierra Crew (2) Sundown SA 8s
2015 Sierra Crew Cab (2) Sundown SA v3 8s (No Lift)
2015 Sierra Crew Cab (4) 8s
2016 Sierra Crew (4) JL Audio 8w3v3 8s
2018 Sierra 1500 Crew Cab (4) B2 Audio Rampage 8s
2018 Sierra Crew Cab (2) Massive Audio Hippo 84XL 8s
2020 Sierra 1500 Crew (4) Sundown Xv2 8s (2.5in Seat Lift)
2020 Sierra Crew Cab (2) DD Audio 608F 8s
2021 Sierra Crew (3) 8s
2022 Sierra HD2500 Crew (4) Soundqubed HDS2.2 8s
2024 Sierra Crew (2) Audio Dynamics 3008D4 8s
GM SHARED PLATFORMS
2008–2017 GM Crew Cab (4) 8s
2008–2018 GM Crew Cab Dual Sundown SA v3 8s (No Lift)
2008–2018 GM Crew Quad MMats Dreadnaught 8s (2.5in Lift)
2008–2018 GM Crew Quad Sundown SA v1 8s (2.5in Lift)
SPECIAL
Chevy Regular Cab Console (4) Sundown Xv4 8s