Rosen Autosport in RIchmond,Va has now started their own line of products. Our cat-back exhaust is 2.5in. ceramic coated with dual 3in. tips. This exhaust looks great and is dyno proven to make more power. This exhaust on a SE-R with a pop charger made 10WHP and 8FT./lbs. of torque. Thats more than greddy and HKS. We also are developing SR20DET packages that are priced in stages. Buying in the packages will save you oney because there are no hidden costs.