Gravity Performance decats instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our decats are designed to be direct replacements for the OEM catalytic converter, ensuring smooth installation every time. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel Bent and fully TIG welded for strength and durability ---Free flowing Dpf Replacement to get them most from the M57 engines ---Designed to improve power and torque across the entire RPM range ---Sold for off road and track use only Fitment ---BMW 3 Series E90, E91. E92 & E93 325d/330d 2006-2011 models ---BMW 5 Series E60 &E61 525d/530d 2006-2011 models ---BMW X5 E70 3.0d 2006-2011 models ---BMW X6 E71 3.0d 2006-2011 models.
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