muzzys

MUZZYS A/C Hack Kit is a non-invasive heater-core bypass mod that prevents hot coolant from pushing warm air into the HVAC system, cooling factory-warm A/C by roughly 8–15°F. Many recent Ram 1500/2500/3500 trucks suffer from a factory HVAC routing issue that allows warm heater...

These are two upgraded Muzzys nylon heater core hose connectors with clamps, engineered to replace worn or cracked OEM fittings on many 1998–2014 GM trucks and SUVs. If your vehicle is leaking coolant at the firewall or the heater hoses feel loose, replacing the...

Muzzys Skip Shift Eliminator is a plug-and-play inline harness that disables the factory skip-shift (CAGS) behavior on select Camaro and Corvette models without triggering a check engine light. If your vehicle’s factory setup forces a 1-to-4 shift at low RPMs, this compact connector set...

These are two premium stainless steel heater core hose connectors from Muzzys, supplied with clamps, designed to replace worn or leaking plastic fittings on compatible 1998–2014 GM trucks and SUVs. Older heater core fittings commonly crack or corrode, letting coolant leak into the firewall...