Thunderbolt High Flow Catalytic Converters are ideal for custom exhaust setups where sound levels or emissions may pose an issue, or racing vehicles that are required to retain a catalytic converter. These weld in converters offer a higher flow rate than factory converters by utilizing a 300 cell count core.

Dimensions:

• Body Diameter: 4''
• Length: 11''
• Available in 2.5'' and 3'' inlet/outlet

Use the options below to select the correct inlet/outlet size for your application.

Please note: