Vibrant Performance flanges are made from your choice of high quality 304 Stainless Steel or HRPO Mild Steel, ideal for any forced induction or naturally aspirated application. Vibrant flanges are laser cut for a precise fitment. Recommended Products: 1st Choice PN: 2450, 2nd Choice PN: 2330, 3rd Choice PN: 2455, 4th Choice PN: 2340, 5th Choice PN: 2370 Nissan R35 GTR