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Bully Dog Diesel

Since its founding in 1998, Bully Dog has been known for innovation and creativity among truck owners and enthusiasts. From new vehicle support, to switch-on-the-fly power levels and economy tuning, Bully Dog offers unrivaled solutions to truck drivers the world over.

In 2006, Bully Dog launched their first aftermarket product for heavy duty semi-trucks/articulated trucks. More than just raw horsepower, Bully Dog’s goal from the beginning in the heavy duty market was to make engines run more efficiently and in turn improve the engines’ fuel economy. Bully Dog’s passion for excellence is making Bully Dog Big Rig a market leader in the heavy duty market.

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Two locations to serve you

AUSTIN, TX

22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed

LOS ANGELES, CA

2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed