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 highest quality T304 grade stainless steel ---Direct replacement for the original manifolds - both gaskets included ---CNC machined flanges for strong, solid support and an accurate fit ---Improves gas flow by removing the restrictive catalytic converter ---4-1 design to improve gains at the top end of the rev range Compatible with: ---BMW E90 3 Series 320i 2.0l Saloon 2005-2007 models ---BMW E91 3 Series 320i 2.0l Touring 2005-2007 models Please Note: Sold for off-road / track use only.
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