Gravity Performance Manifolds are designed to be direct replacements for OEM manifolds, ensuring smooth installation every time. Our manifolds improve the collection of gasses from the cylinder heads, before routing them through them to the rest of the system. ---Manufactured from T304 grade polished stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing catalyst replacements to get the most from the 6 Cylinder engines ---Designed to improve power and torque across the entire RPM range ---Sold for off-road / track use only Fitment ---BMW 3 Series E46 6 cylinder models 1998-2005 models (excluding 330i models) Please Note: Suitable for RHD (Right Hand Drive) models only.
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