Made in the U.S.A., the Custom Pipe Builder Kit from from Magnaflow is a completely straight pipe mandrel bent exhaust system. Covered by Magnaflow’s standard lifetime warranty, the CBPK Series is built from 100% 400 series stainless steel. It makes a great off-road race exhaust system, or if you’re a street driver, you can customize the CBPK system by adding the high-flow catalytic converter, performance muffler and exhaust tip of your choice.