11. Expansion chambers almost always have turns and curves built into them to accommodate their fit within the engine bay.12. An expansion chamber and tuned length exhaust were fitted from factory although they were only " average " in design. 13. The suppressor is typically a hollow metal tube manufactured from steel, aluminium, or titanium and contains expansion chambers . 14. In NSR500 that featured the fuel tank under the engine and the expansion chambers under a false tank above the engine. 15. Another type is the " integral " suppressor, which typically consists of an expansion chamber or chambers surrounding the barrel. 16. This operational feature was used in conjunction with the expansion chamber exhaust developed by German motorcycle manufacturer, MZ and Walter Kaaden. 17. Ports are often added to the expansion chambers , producing the long, multi-chambered recoil compensators often seen on IPSC raceguns. 18. Like the AMW, the Rotax utilizes a 2 into 1 " Y " exhaust manifold and a single tuned expansion chamber exhaust. 19. It consisted of an expansion chamber , new cylinder and head, piston, thin rings, larger carburetor and much lower gearing. 20. They are based on an expansion chamber defined by an inner wall of an expandable girdle connected to at least two anchoring points.
