Exhaust Manifold for Nissan Gravite — Price, Symptoms & Replacement Guide
Category: Exhaust | Failure Severity: High | Replacement Cost in India: ₹8,000–₹25,000
What is the Exhaust Manifold?
Collects exhaust gases from engine cylinders and directs them into the exhaust system.
How the Exhaust Manifold Works
The manifold channels hot exhaust gases through a single outlet, maintaining flow efficiency and reducing backpressure.
Why the Exhaust Manifold is Important
Critical for engine efficiency, emission control, and proper exhaust flow.
Common Problems with the Exhaust Manifold
- Cracks
- Leaks
- Warping
- Loose bolts
Warning Symptoms of a Failing Exhaust Manifold
- Loud engine noise
- Reduced power
- Exhaust smell
- Engine misfire
Common Causes of Exhaust Manifold Failure
- Thermal stress
- Poor material quality
- Improper installation
Impact on Car Performance
A damaged manifold can reduce engine efficiency by 15–20%.
DIY Fix Guide — Step by Step
- Inspect for cracks or leaks
- Tighten mounting bolts
- Replace gasket if leaking
- Replace manifold if severely damaged
Maintenance Tips
- Check for leaks regularly
- Avoid overheating
- Ensure proper torque on bolts
Exhaust Manifold Replacement Cost in India
Expect to pay between ₹8,000 and ₹25,000 for genuine parts plus labour at an authorised Nissan workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Exhaust Manifold Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Exhaust Manifold listings.
When to Replace the Exhaust Manifold
Replace if cracked, leaking, or warped.