5.3 Vortec Cold Air Intake Upgrade Guide
The 5.3 Vortec V8 engine inside General Motors’ 1999-2013 light duty trucks and SUVs is one of the most popular engines to modify. From the factory, GM rated the engine at 275-325 horsepower and 315-350 lb-ft of torque. It was an extremely popular engine choice, and buyers loved it for its performance and reliability. Yet,…