51009 - (EFRA 2006) 3 Chamber polished tuned pipe with mounting ring for 3,5cc On-road engines. Our most progessive tuned pipe.
51010-015 - On Road 3,5cc Kit Pipe Efra 2015 (51010+41015+21000)
51011 - (EFRA 2052) 3 Chamber polished tuned pipe with mounting ring for 3,5cc On-road engines. (EFRA/IFMAR legal). Better acceleration, higher top speed, high fuel consumption.
51022 - (EFRA-2122) new 3 chamber polished tuned pipe with mounting ring for 3,5cc On Road engines, EFRA/IFMAR legal, cod.
51615-615 - On Road Kit 2,1cc Efra 2660 Conical Tube with Ring 2Chambers Polished (51615+41615+21601)
51615 - (EFRA 2660) Polished Pipe, with ring, 2 Chambers, Conical Tube. 'New Generation' tuned pipe with improved acceleration for 2,1cc/2,5cc engines.
51611 - (EFRA 3501) 3 chamber polished tuned pipe for 2,1cc car engines. Use this tuned pipe when there are strong noise restrictions are imposed.
50014 - (EFRA 9886) Polished tuned pipe, no ring, 2 chambers for 3,5cc/4,66cc engines.