Precision designed and engineered in Anaheim, CA. The BUGPACK Street Header is constructed of 1 3/4 diameter Stainless Steel, is TIG welded and features 3/8” Thick Flanges. This header offers a variety of configurations via its modular design, allowing you to install the Header and choose your preferred arrangement with three different muffler options to optimize the set-up that’s perfect for your VW. The B2-0111-S Header is designed to fit the B2-5570-S, B2-5580-S & B2-5602-S BUGPACK Mufflers. The B2-0111-S fits the 13-1600cc Sedan, Bus or Karmann Ghia.