McLaren 600LT US Spec Valveless Exhaust (MSO Exhaust) – Genuine McLaren Part McLaren 540c HJS HD 200 cell catalytic

HJS HD 200 cell catalytic converters — no check engine lights

and it sits above an epic supercharged engine

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McLaren 600LT US Spec Valveless Exhaust (MSO Exhaust) – Genuine McLaren Part McLaren 540c HJS HD 200 cell catalyticMcLaren 600LT US Spec Valveless Exhaust aka the MSO Exhaust This is the exhaust the 600LT should have come with. The US spec system ditches the valves and back box entirely it's a straight pipe setup that delivers unadulterated, unrestricted sound at all times, not just in certain driving modes or at high revs. Genuine OEM McLaren part. In stock. Key Differences vs. the UK Valved System No exhaust valves full, unfiltered sound throughout the rev