2004 Cadillac EXT - Booming Caddy

Loud And Luxurious

John Mata Jr.
Dec 15, 2008
Photographers: Brandan Gillogly
Photo 2/9   |   2004 Cadillac Ext right Front Angle
We've seen custom Cadillac trucks before but none that look and sound like this flat black loudmouth. The wall of MTX Audio subwoofers is definitely a sight to see and the decibel waves that flow out when the '04 EXT's doors are open are downright deafening. Can you believe that the Caddy was completed in only five weeks? Amazing, right? Well, considering that MTX unleashed its own group of talented installers on the half truck, half SUV show stopper, the feat seems a bit more believable. With a quick glance at the EXT's mostly matte paint scheme and the arsenal of audio components that has been loaded into its cabin, you may be asking yourself why anyone would gut a perfectly good luxury vehicle. The answer is rather simple if you think about it. "Shut up and listen" seems to be the direct statement that is being conveyed through this well-to-do hauler's subdued exterior and vocal aggression. Lucky audio fans have had the opportunity to hear MTX's EXT in person as it made its debut at the '08 Consumer Electronics Show earlier this year and has been on the road attending various events ever since.
We've seen custom Cadillac trucks before but none that look and sound like this flat black loudmouth. The wall of MTX Audio subwoofers is definitely a sight to see and the decibel waves that flow out when the '04 EXT's doors are open are downright deafening. Can you believe that the Caddy was completed in only five weeks? Amazing, right? Well, considering that MTX unleashed its own group of talented installers on the half truck, half SUV show stopper, the feat seems a bit more believable. With a quick glance at the EXT's mostly matte paint scheme and the arsenal of audio components that has been loaded into its cabin, you may be asking yourself why anyone would gut a perfectly good luxury vehicle. The answer is rather simple if you think about it. "Shut up and listen" seems to be the direct statement that is being conveyed through this well-to-do hauler's subdued exterior and vocal aggression. Lucky audio fans have had the opportunity to hear MTX's EXT in person as it made its debut at the '08 Consumer Electronics Show earlier this year and has been on the road attending various events ever since.
You may be wondering just how aggressive the Cadillac's battle cry really is. Well, the crazy fiberglass enclosure located where the back seats once resided houses eighteen, count them, eighteen 12-inch MTX Thunder Square subwoofers. With bass like that, it is quite possible that an eardrum or two has been burst during the EXT's tour across the country. The system's total power was recorded at an astounding 7,500 watts at 2 ohms, which is gained through the bi-amplification of an MTX TE1004 amplifier at a 2 ohm load to match the 2 ohm rating for the three TE4001 amps running the subwoofers. For those who get confused rather easily when it comes to audio power ratings, just know that this Caddy has enough juice to rattle you stupid, at least while its sound waves are directly reverberating through your cranial matter. It is absolutely wild to think that so much sound can come from such a relatively small space but that's the name of the game in the world of mobile audio.
Photo 6/9   |   2004 Cadillac Ext left Rear Angle
MTX audio professionals Jason Planck, Craig Marsh, and John Wilson worked relentlessly over the 5-week period while the EXT was being prepared for its show-touring lifestyle at the Mitek Show Vehicle Operations facility in Monroe, Wisconsin. The Kenwood KVT-819DVD 7-inch monitor/DVD player serves as the hub for the high-fidelity sound system that the MTX audiophiles pieced together. Three-way MTX TXC component speakers were installed into each of the front door panels with an additional TXC.1 tweeter added to each A-pillar. Each door panel has also been graced with an MTX TT6512-04 12-inch shallow subwoofer. As for the amp setup for the front speakers, a TE1004 running at 2 ohms provides power to the two component sets, two tweets, and the pair of subs in the doors. With a system like this, you better believe that heavier alternator reinforcements were called in and three Powermaster 220 amp units were just enough to fit the bill. The new alts were powdercoated to maintain the flat/satin black paint scheme. One Powermaster XS Power D2400 battery has replaced the OE-equipped cell and four XS Power D3100 batteries are neatly tucked away in a stainless steel case mounted to the undercarriage of the bed.
Now that the sound junkies have been well taken care of, turn down the volume just a bit and briefly focus on the Caddy's other striking features. The EXT has been lowered a mild 2 inches in the front and 3 inches in the back but an air suspension has also been installed for the purpose of convenient height adjustability. A set of 24x10-inch Yaffa Series Zoe Wheels, which have been treated with matching matte paint, and Toyo Proxes have been mounted underneath the fenders for a stealth and slick appearance. A Lexani body kit, rear suicide doors, and an E&G Classics grille have also been added to the list of impressive modifications.
The Cadillac's interior was lavishly upgraded as custom suede and leather upholstery wraps the seats, dash, A-pillars and center console where four MTX Thunder Elite Series amps reside. A 20-inch Soyo flat panel monitor has been affixed to each of the rear suicide doors for the ultimate in visual stimulation.
Hopefully by now, the MTX Cadillac EXT has rolled into a town near you because seeing and hearing a work of audio artistry such as this will surely inspire one to put more effort into a stereo system build. Reread this article if need be and be prepared to take lots of notes if your main objective is to be heard from miles away.

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