- Reduced price

Compatibility for the indicated model guaranteed!
60 days for return and product change
Whatsapp customer support
They are designed, tested and handcrafted specifically for each motorcycle model using the most advanced welding techniques and the best materials!
All Scalvini Racing exhausts for two-stroke engines are NOT approved!
Expansion and silencer are sold SEPARATELY for each exhaust.
The silencer and the Scalvini expansion can be mounted individually as they are perfectly interchangeable with the original components.
In the case of several silencers available, a code relating to the configuration is shown:
Click here to leave a review
Be the first to ask a question about this product!
Reference: VLV-HTS1
Brand: Rimotoshop
Husqvarna HTS power valve EXHAUST 7T
Reference: ALB-HTS1
Brand: BC engineering cilindri
Reference: VER.01.125
Brand: Italkit
Pneumatic exhaust valve adaptable to Rotax engines 125 cc and 140 cc, for engines type 122 and 123.The different opening adjustments of the exhaust valve range from the "softer" "position 1" (low rpm exhaust valve opening) to the "hardest" "position 9" (high rpm exhaust valve opening)