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Exhaust Roost R/T 70 for Stage6 R/T 70cc

Roost Item no.: RST-140.30

Exhaust Roost R/T 70 for Stage6 R/T 70cc

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Regular Price: €361.00

Special Price: €330.00

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Data Sheet
Suitable for (25)


Shortly after the Stage6 R/T 70cc cylinder came on the market, the first manufacturers already started to work on exhaust systems designed to match the cylinder. The pipes made by the Slovene Marko Bostjancic, distributed under the name Roost, are hand-welded and therefore only available in a small number of units. This is why we offer the Roost exhaust only to our end users via the store in Saarbrücken and the online shop. When developing this exhaust, Roost took as a basis the following components for the Piaggio engine: Stage6 R/T crankshaft, Stage6 R/T inner rotor ignition and 28mm Dellorto VHST carburettor. Depending on the tuning stage of the Stage6 R/T 70cc cylinder, between 23.5 and 25 hp are possible. A distinguishing feature is the muffler in carbon look with CNC machined caps. You can download the official test report that led to the development of the Roost R/T exhaust system here.
Comes without flange! The flange of the Stage6 R/T cylinder kit has to be used

Data Sheet

Name Exhaust Roost R/T 70 for Stage6 R/T 70cc
Item No. RST-140.30
Brand Roost
Homologation No
Homologation No
Product Line Hyper racing

Your product goes with the following manufacturers and their models:


SR 50cc LC (after 07/2003) - Piaggio Engine

SR 50cc R Factory i.e. LC (after 2005) - Piaggio Engine

SR 50cc R LC (after 2005) - Piaggio Engine

SR 50cc Racing LC (after 07/2003) - Piaggio Engine

SR 50cc Sport LC (after 07/2003) - Piaggio Engine

SR 50cc Street LC (after 07/2003) - Moteur Piaggio


Atlantis 50cc LC (after 06/2002) - Piaggio

GP1 50cc LC - Piaggio

GP1 Racing / Revolution 50cc LC - Piaggio


Runner 50cc LC (1999 - 2000)

Runner 50cc LC (after 2004)

Runner 50cc LC (before 1999)

Runner 50cc LC CAT (after 2001)

Runner SP 50cc LC (after 08/2004)


NRG 50cc LC

NRG mc2 50cc LC (after 1998)

NRG mc2 50cc LC (before 1998)

NRG mc2 DD 50cc LC (after 1998)

NRG mc2 Extreme 50cc LC

NRG mc3 DD 50cc LC CAT

NRG mc3 PureJet 50cc LC

NTT 50cc LC

Quartz 50cc LC

Zip 2 SP 50cc LC

Zip SP 50cc LC

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