FAQ Technical Informations

Why should I fit a Scalvini Racing Exhaust System on my bike?
Cause it will strongly improve the performances of the engine, it is lighter than the original, and longer in life duration.
How is the 2 strokes exhaust composed?
The 2 strokes exhaust is composed by expansion and silencer. The expansion change depending on models, the silencers are of three kind.
Which silencers do you produce for 2 strokes?
ENTRY LEVEL 2T: Aluminium corpse and inox cap.
MIX 2 T: Aluminium corpse and poligonal carbon cap.
FULL CARBON: Carbon corpse and poligonal carbon cap.
Which type of expansion do you produce for 2 strokes?
Completely handmade welded with TIG technology.
Is it possible to buy only the silencer or the expansion for 2 strokes?
The expansion Scalvini Racing is compatible with the stock silencer and the Scalvini Racing silencer is compatible with the stock expansion, so you can order only what you need for your 2 strokes bike.
How is the 4 strokes exhaust composed?
The 4 strokes exhaust is composed by main collector, central part and silencer.
Is it possible to buy only the silencer for 4 strokes?
For 4 strokes we offer only complete systems, because the conjunction between the central part and the silencer is a spheric bulbe designed by our technicians, not compatible with the stock part of the bike.
This spheric bulbe avoid, in case of accident or falling in a jump, the crashing of the system, only deforming it. For the silencers with the bulbe is it anyway possible to buy the main collector or the central part, as spareparts.
Which silencers do you produce for 4 strokes?
ENTRY LEVEL: Collectors in steel, silencer in aluminium with carbon cap.
SINGLE TOP: Collectors in steel, silencer in titaniu or aluminium or carbon with carbon top single exit.
SINGLE TWIN TOP: Collectors in steel, silencer in titaniu or aluminium or carbon with carbon top double exit.
Are your Sport Production exhaust systems approved for use it on the streets?
The systems SP are only for competitions, not approved for public use. They are developed for tracks where Sport Productins 125 2 strokes rides in the nationals championships.
Which system is approved for public use?
Actually we have no systems approved for streets use in public.
What is the Power Bomb and what is it for?
The volume added or Power Bomb is an extra area made to be filled with the exhaust smokes, positioned on the main collector. This system is developed to get more power to the engine at low RPM and allow oyu to use 100% of the engine torque.