2026-09-15
Lexus IS 250/300h/350 Exhaust System Service Malaysia
The IS exhaust system is stainless steel and rarely rusts under Malaysian conditions. Inspect the exhaust for leaks, cracks, or hanger wear at major service intervals. A broken exhaust hanger causes rattling; replacement costs. The IS 250/350 V6 cat-back system is popular for aftermarket upgrades —
Lexus IS Exhaust System
- IS exhaust: stainless steel system — corrosion-resistant; inspect hangers and flex pipe at 80,000 km for cracking
- Exhaust manifold: IS V6 engines use exhaust manifolds integrated with catalytic converters — inspect for cracks if you hear ticking from the engine bay on cold start
- IS 200t: single turbo with integrated exhaust manifold/turbo housing — inspect turbo heat shield and downpipe gasket at 60,000 km
- Aftermarket exhaust: IS is popular for exhaust upgrades — ensure catalytic converter is retained to avoid emissions issues and engine light