Perforated Tube — Renault Duster
Category: Exhaust | Severity: low | Cost: ₹1,500–₹5,000
What is Perforated Tube?
A perforated tube inside muffler/resonator helps dissipate sound energy.
How Perforated Tube Works
Allows sound waves to pass through holes into acoustic material for absorption.
Why is Perforated Tube Important?
Critical for effective sound attenuation.
Common Problems
- Clogging
- Rust damage
Symptoms
- Increased noise
- Reduced sound damping
Causes of Failure
- Carbon buildup
- Corrosion
Impact on Car Performance
Reduced sound suppression efficiency.
DIY Fix Guide — Step by Step
- Inspect during muffler service
- Clean or replace if clogged
Maintenance Tips
- Use clean fuel
- Regular exhaust inspection
Replacement Cost in India
Estimated range: ₹1,500 – ₹5,000
Where to Buy Online
When to Replace Perforated Tube
When clogged or structurally damaged.