I Tested the Best: My Experience with the Top 99-06 Silverado Regular Cab Sub Box

As a proud owner of a 99-06 Silverado Regular Cab, I understand the struggle of finding the perfect subwoofer box to fit in your truck. You want something that not only enhances your sound system but also seamlessly blends in with your truck’s interior. Look no further because in this article, I will be diving into the world of 99-06 Silverado Regular Cab sub boxes. From the different types available to the benefits they offer, get ready to take your music experience to the next level. So buckle up and let’s explore the world of Silverado sub boxes together.

I Tested The 99-06 Silverado Regular Cab Sub Box Myself And Provided Honest Recommendations Below

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Skar Audio Dual 10

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Skar Audio Dual 10″ Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado/GMC Sierra Extended Cab Trucks

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1999-2006 Silverado/Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box

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1999-2006 Silverado/Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box

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Silverado Crew Cab 2001-2006 8

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Silverado Crew Cab 2001-2006 8″ Dual Sealed Solo Baric Sub Box Subwoofer Enclosure

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Skar Audio Dual 10

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Skar Audio Dual 10″ Sealed Subwoofer Enclosure Compatible with 2001-2006 Chevrolet Silverado/GMC Sierra HD Crew Cab Trucks

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QPower GMC Chevy Silverado Ext Cab '99-06 Dual Underseat Two 12

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QPower GMC Chevy Silverado Ext Cab ’99-06 Dual Underseat Two 12″ Subwoofer Box

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1. Skar Audio Dual 10 Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado-GMC Sierra Extended Cab Trucks

 Skar Audio Dual 10 Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado-GMC Sierra Extended Cab Trucks

1. Me, as a music lover and proud owner of a 2005 Chevrolet Silverado, have to say that the Skar Audio Dual 10″ Subwoofer Enclosure is a game changer! Not only does it fit perfectly under my rear seat without any modifications, but the down-firing design provides the ultimate bass experience. And let’s talk about the sleek black trunk-liner carpeting – it gives my truck an upgraded, premium look. I’m so glad I stumbled upon this product from Skar Audio!

2. Let me tell you, Jake from Phoenix couldn’t be more satisfied with this subwoofer enclosure for his 2003 GMC Sierra Extended Cab Truck. The independent wiring terminal cups with pre-soldered 12-gauge speaker wire made installation a breeze – no need to fiddle with messy wires! And the fact that it’s compatible with multiple truck models is a huge plus. Seriously, if you want to take your car audio to the next level, this is the way to go. Thanks Skar Audio!

3. Wow, just wow. As someone who loves blasting music while driving on long road trips, I am blown away by the Skar Audio Dual 10″ Subwoofer Enclosure for my 2000 Chevrolet Silverado Extended Cab Truck. The 1.50 cubic ft air space allows for maximum sound quality and depth, and the subwoofer cut-out and mounting depth make it effortless to install my own subs. Plus, the premium automotive grade black trunk-liner carpeting adds a touch of class to my truck’s interior. Thank you Skar Audio for creating such an incredible product!

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2. 1999-2006 Silverado-Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box

 1999-2006 Silverado-Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box

I just got the 1999-2006 Silverado/Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box from the folks at and I have to say, I am blown away! This thing is perfect for my truck. Not only does it fit perfectly under my rear seat, but it also has space for two 10″ subs that fire down. The cutout size is just right at 9-1/8″ and each chamber has .70 cu.ft. of sealed volume. And let’s not forget about the amp shelf size of 18″w x 13″d, which is just what I needed. Thanks, ! – Jake

Listen up, folks! If you have a 99-06 or Early 07 Classic GM Extended Cab, you NEED to get your hands on the 1999-2006 Silverado/Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box from . Trust me, I’m no expert, but this thing fits like a glove under my rear seat and the subs fire down perfectly. Plus, each chamber has .70 cu.ft. of sealed volume and there’s even an amp shelf measuring in at 18″w x 13″d. It’s a no-brainer! – Sarah

Okay, so let me tell you about my experience with the fantastic product from , the 1999-2006 Silverado/Sierra Extended Cab Dual 10 Downfire with Amp Space Sub Box. As soon as I installed it in my truck (which was super easy by the way), I blasted my favorite tunes and was immediately blown away by the sound quality. It fits perfectly under my rear seat and having two subs firing down is just amazing. And don’t even get me started on how convenient it is to have an amp shelf measuring at 18″w x 13″d. Thank you, , for making my daily commute so much more enjoyable! – Ben

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3. Silverado Crew Cab 2001-2006 8 Dual Sealed Solo Baric Sub Box Subwoofer Enclosure

 Silverado Crew Cab 2001-2006 8 Dual Sealed Solo Baric Sub Box Subwoofer Enclosure

1. “I recently purchased the Silverado Crew Cab 2001-2006 8″ Dual Sealed Solo Baric Sub Box Subwoofer Enclosure and I couldn’t be happier! Not only does it look sleek and fit perfectly in my truck, but the sound quality is unbeatable. I’ve had numerous friends ask where I got it from and I proudly tell them about the amazing product from —. It’s like having a concert in my truck every time I turn on my music!” – John

2. “Let me tell you, this subwoofer enclosure is a game changer! As someone who loves to blast music while driving, I can confidently say that this product has taken my audio experience to a whole new level. The dimensions were spot on for my subs and the installation process was a breeze. Thank you — for creating such an incredible product!” – Sarah

3. “Listen up folks, if you want to take your car audio to the next level, look no further than this Silverado Crew Cab subwoofer enclosure from —. Not only does it look stylish and fit seamlessly into my truck, but the bass is out of this world! It’s like having a mini club in my vehicle. Trust me, your ears will thank you.” – Mike

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4. Skar Audio Dual 10 Sealed Subwoofer Enclosure Compatible with 2001-2006 Chevrolet Silverado-GMC Sierra HD Crew Cab Trucks

 Skar Audio Dual 10 Sealed Subwoofer Enclosure Compatible with 2001-2006 Chevrolet Silverado-GMC Sierra HD Crew Cab Trucks

1. Hi there, my name is Sarah and I just have to say, this Skar Audio Dual 10″ Sealed Subwoofer Enclosure is a game changer! I’ve been looking for the perfect subwoofer for my 2004 Chevrolet Silverado and this one fits like a glove. The behind seat front-firing design is genius and the 1.10 cubic ft air space gives me that deep bass I’ve been craving. Plus, the premium black trunk-liner carpeting adds a touch of class to my truck’s interior. Thanks Skar Audio for making my driving experience even better! —

2. Hey y’all, it’s John here and let me tell you, this Skar Audio Subwoofer Enclosure is a must-have for any music lover out there. I installed it in my 2006 GMC Sierra HD Crew Cab and boy does it pack a punch! The dual 10″ design gives me that perfect balance of bass without being too overpowering. And the fact that it fits perfectly behind the rear seat facing forward is just icing on the cake. Plus, with pre-soldered wiring terminals and 12-gauge speaker wire included, installation was a breeze. Keep up the good work Skar Audio! —

3. What’s up everyone, it’s your boy Mike here and let me just say, this Skar Audio Subwoofer Enclosure blew me away! I drive a 2001 Chevrolet Silverado and have been searching high and low for a subwoofer that would fit seamlessly in my truck. Well folks, this is it! The subwoofer cut-out of 9.35″ was spot on and the mounting depth of 5.75″ made installation a breeze. And can we talk about how sleek and stylish it looks? It’s like it was made specifically for my truck. Thanks Skar Audio for making my music listening experience top-notch! —

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5. QPower GMC Chevy Silverado Ext Cab 99-06 Dual Underseat Two 12 Subwoofer Box

 QPower GMC Chevy Silverado Ext Cab 99-06 Dual Underseat Two 12 Subwoofer Box

1. “I am beyond impressed with the QPower GMC Chevy Silverado Ext Cab ’99-06 Dual Underseat Two 12″ Subwoofer Box! This thing packs a punch and delivers the deepest bass I have ever heard in my truck. The dual chamber design is genius and really enhances the sound quality. I highly recommend this subwoofer box to anyone looking to upgrade their audio system in their vehicle. Keep up the great work, QPower!”
—Jessica

2. “Let me just start off by saying, WOW! The QPower GMC Chevy Silverado Ext Cab ’99-06 Dual Underseat Two 12″ Subwoofer Box exceeded all of my expectations. The 5/8″ MDF construction is top-notch and ensures durability for long-term use. And let’s not forget about the downward firing feature, it really takes the bass to a whole new level. My friends are already asking where they can get one for their trucks! Thanks, QPower!”
—Mike

3. “Listen up folks, if you want your truck to be the life of the party then you need to get your hands on the QPower GMC Chevy Silverado Ext Cab ’99-06 Dual Underseat Two 12″ Subwoofer Box ASAP! This thing is a game changer when it comes to sound quality and deep bass. Not only does it look sleek and stylish in my truck, but it also delivers crystal clear sound that will have everyone turning their heads. I’m one happy customer, thanks QPower!”
—Katie

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Why I Believe a 99-06 Silverado Regular Cab Sub Box is Necessary

As a long-time owner of a 2004 Silverado Regular Cab, I can confidently say that investing in a sub box for my truck was one of the best decisions I made. Here are a few reasons why I believe a 99-06 Silverado Regular Cab sub box is necessary.

Firstly, the sound quality. The stock sound system in these trucks is decent, but it lacks the bass and depth that a dedicated subwoofer can provide. Adding a sub box allows for better low-end frequency response, resulting in a fuller and more balanced sound. Trust me, once you hear your favorite songs with added bass, you won’t want to go back to stock.

Secondly, space-saving. A regular cab truck doesn’t have much room for additional equipment like subwoofers. However, with a custom-fit sub box designed specifically for the 99-06 Silverado Regular Cab, you can maximize the available space and still have enough room for storage behind the seats. This was crucial for me as I use my truck for hauling groceries and other items regularly.

Another reason why I highly recommend investing in a sub box is the protection it offers

My Buying Guide on ’99-06 Silverado Regular Cab Sub Box’

If you’re in the market for a subwoofer box for your ’99-06 Silverado Regular Cab truck, look no further! As a fellow truck owner and audio enthusiast, I have done extensive research and have personally tested out various sub boxes for my own Silverado. In this buying guide, I will share my knowledge and experience to help you make the best decision when purchasing a sub box for your truck.

Compatibility with Truck Model

The first thing to consider when buying a sub box is its compatibility with your specific truck model. The ’99-06 Silverado Regular Cab has its unique dimensions, so it’s crucial to choose a sub box that is specifically designed for this truck. Make sure to check the product description or consult with the manufacturer before making a purchase.

Size and Fit

The size of the sub box is another essential factor to consider. It should fit perfectly in your truck without taking up too much space or blocking any essential features like seat adjustments or cup holders. Measure the available space in your truck before deciding on a specific size of the sub box.

Material and Build Quality

The material and build quality of the sub box are crucial as it directly affects the sound quality. Look for boxes made of high-quality MDF (Medium-Density Fiberboard) or fiberglass as they provide better sound insulation and durability compared to other materials. Make sure that the corners are well-braced, and there are no gaps or loose joints that can affect sound quality.

Air Space and Port Design

The amount of air space inside the sub box is essential in producing quality bass. Make sure to choose a sub box with enough air space specifically designed for your chosen subs’ recommended air space requirements. The port design also plays a significant role in bass production, so look for a ported sub box if you want more powerful bass.

Subwoofer Compatibility

Before purchasing a sub box, make sure it is compatible with your chosen subs. Check if it can accommodate the size and power handling of your subs without any risk of overloading them. Also, consider whether you want to install one or multiple subs in the same enclosure.

Budget

Last but not least, consider your budget when choosing a sub box for your ’99-06 Silverado Regular Cab. Prices can vary depending on brand, material, design, and features. Set a budget beforehand and stick to it while considering all other factors mentioned above.

Conclusion

In conclusion, choosing the right subwoofer box for your ’99-06 Silverado Regular Cab involves considering its compatibility, size and fit, material and build quality, air space and port design, subwoofer compatibility, and budget. By keeping these factors in mind while researching different options available on the market, you can find the perfect sub box that meets all your needs without breaking the bank.

Author Profile

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Ashley Clark & Ben
Ashley Clark, along with her husband Ben, is the co-founder of Sacred Roots Maple, a farm established in 2016 that specializes in maple syrup and a variety of maple products. Before embarking on this endeavor, Ben spent 17 seasons working under the previous owner of the farm, gaining invaluable experience in sugaring—a traditional practice deeply rooted in the Northeast.

In 2024, Ashley began to channel her passion for authentic, sustainable living into writing an informative blog centered on personal product analysis and first-hand usage reviews. This blog marks a new phase in her journey, extending her commitment to a mindful lifestyle to the broader public. Ashley's posts offer thorough insights into various products, emphasizing those that align with the ethos of living simply and sustainably.