Like its liter-plus big brother the Aero 750 has established itself as one of the hottest cruisers on the dealership floor. Cobra tooled up specialized pipes for the 750 understanding that the three-quarter-liter version has different exhaust needs. Cobra is always first to market with new pipes for new bikes but it also takes the time to RD the systems right. Try a set on your Aero 750 and see.