Reproduction of the original catalytic converter exhaust system suitable for 503 GTX, KTM, ALPA with Sachs 503 ADV engine.
The exhaust is a reproduction and does not include a catalytic converter, so it is not officially approved for road use.
This exhaust does not fit the newer Pony GTX models with 521 Beta engine.
Original type number: CH-100
Total length: 95 cm
Outer diameter flame tube: 20 mm
Hole spacing connecting flange: 50 mm
Original Sachs spare part number: P5109K
| Material | Steel |
| Surface | varnished, chrome-plated |
| Total length | 960 mm |
| Color | black, Chrome |
| Ø Silencer | 75 mm |
| Ø Internal connection | 17 mm |
| Ø Flame tube outside | 20 mm |
| Exhaust type | Cylindrical |
| Flame tube attachment | Flange |
| Mounting type | Welded lug |
| Number of fixing points | 2 pcs |
| Sachs | 503 - ADV |
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