VRP M177 / M178 LS2 Turbo Exhaust Manifold Set Upgrade
This product is a VRP M177/M178 LS2 Turbo Exhaust Manifold Set Upgrade for AMG models with 4MATIC+ AWD, designed to improve exhaust flow and increase power.
- The description claims a 40whp gain without a tune on stock turbos.
- The description claims a 37% increase in runner volume and a 30% increase in collector volume.
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