Catco- 50 something bux from Carparts.com got my SE-R through emission testing, it passed with flying colors. Cost me like 40 bux at a local Meineke to have it installed- since it don't come with any flanges or anything. Beats the price of a OE cat at like 800 bux. Mike Jez 93 SE-R GTi-R powered. 01 Max with broken ass Cattman Ypipe 90 Max now daily driver ?? 00 Altima todays daily driver.