ASTRO PNEUMATIC 15.35 L Exhaust Pipe Stretcher Kit, Heavy Duty Tools The ASTRO PNEUMATIC Exhaust Pipe Stretcher Kit (AST-78835-04) provides a robust and efficient solution for expanding exhaust pipes, creating tight seals, and ensuring optimal exhaust system performance. This kit is designed for use on standard vehicles and is ideal for professional mechanics and fleet maintenance operations. With durable construction and user-friendly design, the ASTRO PNEUMATIC Exhaust Pipe Stretcher Kit makes exhaust pipe expansion and fitting tasks straightforward and efficient.