**** NEW, NO CUTTING OR WELDING ****Fit Buick Regal 3.8L 1997 1998 1999 2000 2001 2002 2003 2004 CATALYTIC CONVERTER EXCEPT models licensed in California. BEST PRICES AND LARGEST SELECTION IN THE CANADA !!!!. Mandrel Bending is a type of bend that keeps the radius constant throughout the entire bend, which produces a superior type of bend, no crushed or wrinkled pipe. Not only does this look better, the flow is kept within OEM parameters; this translates into far superior performance and fuel economy when compared to just about any aftermarket item ! HEAVY DUTY FLEX & Large amount of precious metals INSIDE converter insures long life and performance ! ), quality 409 Stainless Steel tubing, Laser cut flanges, and converter body PLUS MANDREL bent tubing *PREMIUM DIRECT-FIT ? HIGH QUALITY MATERIAL ? OE STYLE & PERFORMANCE** BRAND NEW!!!