S&S 55mm Performance Manifold for M8
- Replaces stock, plastic manifold
- Must have for big bore engines
- Includes new rubber seal
- High-Flow, adds 3-5 hp
- Easy to install
- For closed course competition use only. Not intended for street use. Legal in CA only for racing vehicles which may never be used, or registered or licensed for use, upon a highway. Not legal for sale or use nationwide on any federal pollution controlled motor vehicle under the clean air act.