Ace Race Parts 50040 2 Schedule 40 Seamless Pipe 304L Stainless - 4 Foot LengthAce Race Parts 50040 2" Schedule 40 Seamless Pipe 304L Stainless 4 Foot Length The Fabricator's Choice for Building Turbo Manifolds & Merge Collectors! The Ace Race Parts brand of Schedule 40 304 Stainless Pipe is the perfect match for Ace Race Parts Stainless Weld Els for fabricating turbo manifolds. Ace Race Parts stainless steel pipe can withstand the punishment, vibration, and heat of a high horsepower street, drag, or track car. Stainless Pipe