Billy Boat Performance Exhaust continues to deliver unsurpassed quality in craftsmanship in its products, offering true hand built quality for your Porsche. This system is the reality of a turbo owner's dream. B&B's Complete Turbo Exhaust System all but eliminates notorious 930 Turbo lag making this great machine noticeably more responsive. Our exhaust kit consists of hand built T321 Stainless Steel headers, with or without, heat exchangers and a T304 stainless steel high performance muffler. Also included is a turbo oil accumulator, oil scavenging line and all necessary hardware, gaskets and accessories to make for a clean bolt-on installation.