Homologated slip-on exhaust catalizedTRIOVAL, the best seller ever of GPR history,for a classic look, made of hand-polished 304 stainless steel, ovoid drop shape, diameter 100x130.Original GPR product, developed...
Formulated to meet the needs of both air and water-cooled 4-stroke engines, Pro 4 10W-60 XP is recommended for larger capacity engines, hot conditions and in engines where excessive fuel dilution is encountered."...