2019-2026 CHEVY SILVERADO 1500 2.7L L4. 2019-2026 GMC SIERRA 1500 2.7L L4. COLD AIR INTAKE SYSTEM w PRO 5R FILTER. Dyno-Tuned Intake Tube This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.