Motordyne Advanced Resonance Tuning Test 3.7L HR/VHR Pipes Here is a general outline of the installation process: Ensure the vehicle is parked on a level surface and the engine is cool before starting the installation. Safely lift the vehicle using jack stands or a car lift to access the underside of the car. Make sure … Continue reading Installation Instructions: Motordyne Advanced Resonance Tuning Test 3.7L HR/VHR Pipes