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MTX Thunderform boxes manufactured specifically for GMC vehicles. Browse this section and add some Bass to your GMC.
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Discontinued GMC ThunderForm Boxes

Chevrolet Tahoe 2001-2006, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Sealed MTX Thunderform Subwoofer Enclosure Loaded with a 10" Thunder4500 Subwoofer• For Chevrolet Tahoe 2001-2006 • 450W Max • 225W RMS • 4 Ohms • Replaces factory console • Black

DISCONTINUED

Chevrolet 1500 Extra Cab 1988-2006, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single Sealed 10" Thunderform Subwoofer Enclosure
• Chevrolet 1500 Extra Cab 1988-2006
• Also fits 1988-2001 GMC Pick-Up & 3-Door
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS

DISCONTINUED

Chevrolet Colorado Crew Cab 2004-up / GMC Canyon Crew Cab 2004-2007 Amplified 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure

10" Thunderform with 200W RMS Built-in Class D Amplifier • Fits in front of cup holder, under rear seat • For 2004-up Chevy Colorado Crew Cab or GMC Canyon • 10" Thunder Series Subwoofer • Class D Amp • 450W Max • 225W RMS • Carbon filled polypropylene cone • 4 ohm impedance

DISCONTINUED

Chevrolet Extra Cab 1999-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For Chevrolet Extra Cab 1999-2006 • Also Fits 1999-2001 GMC Pick-Up Extended Cab • 900W Max • 450W RMS • 4 ohms • Carbon Filled Polypropylene Cone

DISCONTINUED

Chevrolet Colorado Crew Cab 2004-2008, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Single 10" 4 ohms Loaded Sealed Thunderform Subwoofer Enclosure • 2004-2008 Chevrolet Colorado Crew Cab • 2004-2007 GMC Canyon • 450W Max • 225W RMS • Mounts under the rear seat and in front of cup holder

DISCONTINUED

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure with 1 Thunder 4500 Subwoofer • 450W Max • 225W RMS • Replaces factory console • Features integrated cup holders and storage area

DISCONTINUED

Chevrolet Extra Cab 1988-2006, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single Sealed 10" Thunderform Subwoofer Enclosure
• Chevrolet 1500 Extra Cab 1988-2006
• Also fits 1988-2001 GMC Pick-Up & 3-Door
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS

DISCONTINUED

Chevrolet S-10 1995-2003, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Single 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1995-2003 GMC Sonoma and Isuzu Hombre • 10" Thunder4500 Subwoofer • 900W Max • 450W RMS • Built-in 200W Amplifier

DISCONTINUED

Chevrolet 1500 Extra Cab 1988-2006, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single Sealed 10" Thunderform Subwoofer Enclosure
• Chevrolet 1500 Extra Cab 1988-2006
• Also fits 1988-2001 GMC Pick-Up & 3-Door
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS

DISCONTINUED

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure with 1 Thunder 4500 Subwoofer
• 450W Max
• 225W RMS
• Replaces factory console
• Features integrated cup holders and storage area

DISCONTINUED

Chevrolet S-10 1995-2003, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 10" Single 4-ohms Thunder 4500 Series Loaded Subwoofer Enclosure
• 225W Max
• 450W RMS
• Injection molded carbon filled expanded polypropylene cone woofer with aluminum deposition
• Rubber surround
• Molded in CHARCOAL factory color

DISCONTINUED

Chevrolet S-10 1995-2003, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For Chevrolet S-10 1995-2003
• Also fits 1995-2003 GMC Sonoma and Isuzu Hombre
• Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 Ohms

DISCONTINUED

Chevrolet Colorado Crew Cab 2004-up / GMC Canyon Crew Cab 2004-2007 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Fits in front of cup holder, under rear seat
• For 2004-up Chevy Colorado Crew Cab
• 10" Thunder Series Subwoofer
• 450W Max
• 225W RMS
• Carbon filled polypropylene cone
• 4 ohm impedance

DISCONTINUED

Chevrolet Extra Cab 1999-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For Chevrolet Extra Cab 1999-2006
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 900W Max
• 450W RMS
• 4 ohms
• Carbon Filled Polypropylene Cone

DISCONTINUED

Chevrolet Extra Cab 1999-2006,2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For Chevrolet Extra Cab 1999-2006
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 900W Max
• 450W RMS
• 4 ohms
• Carbon Filled Polypropylene Cone

DISCONTINUED

Chevrolet 1500 Extra Cab 1988-2006, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single Sealed 10" Thunderform Subwoofer Enclosure
• Chevrolet 1500 Extra Cab 1988-2006
• Also fits 1988-2001 GMC Pick-Up & 3-Door
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS

DISCONTINUED

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure with 1 Thunder 4500 Subwoofer
• 450W Max
• 225W RMS
• Replaces factory console
• Features integrated cup holders and storage area

DISCONTINUED

Chevrolet Suburban 1992-2000, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• MTX Thunderform Loaded, Amplified 10" Subwoofer Enclosure
• For 1992-2000 Chevrolet Suburban
• 10" Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 200 watt Class D built-in amplifier

DISCONTINUED

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1999-2006 Chevrolet Extra Cab • Also Fits 1999-2001 GMC Pick-Up Extended Cab • 900W Max • 450W RMS • Built-in 200W Amplifier

DISCONTINUED

Chevrolet S-10 1995-2003, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For Chevrolet S-10 1995-2003
• Also fits 1995-2003 GMC Sonoma and Isuzu Hombre
• Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 Ohms

DISCONTINUED

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