my Volkswagen Golf MK7.5 (2020-Present) has a loud exhaust noise what's wrong

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Allow the engine to cool before proceeding with any inspections.

2. Inspect and Repair Exhaust Components

• Sub-step 1: Visually inspect the entire exhaust system, including the manifold, downpipe, catalytic converter, and muffler for cracks or holes.
• Sub-step 2: If damage is found, remove the affected component using a socket set.
• Sub-step 3: For minor holes, consider using exhaust repair tape or putty; for larger damage, replace the component with a new part.
• Tools Required: Socket set, exhaust repair tape or putty, replacement exhaust parts as needed.

3. Tighten or Replace Exhaust Hangers

• Sub-step 1: Check all exhaust hangers for wear or damage; replace any that are cracked or broken.
• Sub-step 2: Tighten any loose bolts or clamps that secure the exhaust system to the vehicle.
• Tools Required: Torque wrench, socket set.

4. Inspect and Replace Catalytic Converter (if needed)

• Sub-step 1: If the catalytic converter shows signs of blockage or failure, remove it using an appropriate socket set.
• Sub-step 2: Replace with a new catalytic converter, ensuring it matches OEM specifications.
• Sub-step 3: Reconnect all exhaust components and ensure they are properly secured.
• Tools Required: Socket set, replacement catalytic converter.