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Track Type
70cc |
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RST-140.01 |
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The
track type exhausts are developed to deliver a well balanced
power output. For applications where power and
driveability is key.
Designed for tuned and untuned high-end cylinders, with exhaust port durations
from about 190° to
198°. Requires an carburettor of at least 19mm of diameter,
along with good
overall engine
setup (tuned carters, racing ignition…) For users demanding an
balanced
exhaust system, with an high power output.
Peak
power at about 12500 - 13500rpm, depending on engine setup. |
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Sprint Type
70cc |
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RST-140.10 |
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Designed to extract the highest
performance out of your race engine.
Made for high-end cylinders, with exhaust port durations from
about 195° to 205°, so appropriate for stock and tuned high-end
cylinders, fitting big carburetors and having an good overall
engine state of tune.
For engines demanding the highest possible power output.
Peak
power at about 12800 - 13800rpm, depending on engine setup. |
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Technical
specifications |
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Where to buy |
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Sprint Type
70cc HR |
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RST-140.15 |
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This is the High-RPM version of the
Sprint Type exhaust. This is the highest performance 70cc
exhaust in our range.
Designed to extract the highest
performance out of your race engine.
Made for high-end cylinders, with exhaust port durations from
about 195° to 205°, so appropriate for tuned high-end cylinders,
fitting big carburetors and having an good overall engine state
of tune.
For engines demanding the highest possible power output.
Peak
power at about 13000 - 14000rpm, depending on engine setup. |
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Designed for the latest generation
of racing 80 - 86cc cylinders, that have a longer stroke; 43 to
45mm. Features a smooth power delivery, with a high top power
output. Will perform best on untuned cilinders, about 192° of
exhaust duration, as well on tuned cylinders, up to 198° of
exhaust port duration. |
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Performa d.o.o. Trgovska ul.4, 6310 Izola, Slovenija
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