Most commonly used to hold the Dundon Crack Pipe and Mini Crack Pipe. Sold as single pieces.
- 4.5" for the muffler bracket (fits Crack Pipe and 3.0" Mini Crack Pipe variants)
- 4.25" for the muffler bracket (fits 2.5" Mini Crack Pipe only)
- 3.0" for the inlets
- 2.5" for inlets (fits 2.5" mini crack pipe only)