STRAIGHTLINE SGL PIPE S-D S/M 134-172

STRAIGHTLINE SGL PIPE S-D S/M 134-172. The vendor part number is 134-172. Read title carefully to know what you are getting. Here is the catalog descrion NOT the title?

• Produces from 3-18 HP gain
• Produces a wider power band with great bottom end power and improved top end speed
• Ceramic coated for under hood temps and improved performance