This listing is for a NEW exhaust pipe spring. This is an OEM Bombardier part, the part number on this is 414851900 and this is 6" long, not including the spring hook ends. 

Looked this part number up on the Ski Doo parts lookup web page and found that this will work on the following machines as well as others

• 1996 Formula SS - Engine And Engine Support FORMULA SS
• 1996 Formula STX - Engine And Engine Support
• 1996 Formula STX LT(2) - Engine And Engine Support
• 1996 Formula Z - Engine And Engine Support FORMULA Z
• 1996 Grand Touring 670SE - Engine And Engine Support 670SE
• 1996; FORMULA SS, - Moteur Et Support Moteur Formula SS
• 1996; FORMULA STX LT(2), - Moteur Et Support Moteur
• 1996; FORMULA STX, - Moteur Et Support Moteur
• 1996; FORMULA Z, - Moteur Et Support Moteur Formula Z
• 1996; GRAND TOURING 670SE, - Moteur Et Support Moteur 670SE

If you would like me to check and see if this will work on your machine, email me and I can check for you and let you know.

If there are any questions about this item, feel free to email me. Thanks