Piaggio Vespa PX80, PX125, PX150 ExhaustPiaggio Vespa PX80, PX125, PX150 Exhaust The Vespa PX exhaust is for mainly used for the Standard PX125 150 engine! These are all very high quality: a solid construction, a tough painted finish and, naturally, a perfect fit. For maximum power of a tuned motor, we would recommend use a more tuned aftermarket exhaust if you are planning on fitting a tuning kit! steel with e pass Comparison Part No. 419167 417806 (PIAGGIO)