Fits all Catalyst models Lightweight Aluminum Construction Sturdy CNC...
This simple kit will gain 40+ horsepower over stock and still run on 87 OCTANE!!! Get your Thundercat just and get great fuel economy too! Just send us your ecu for a quick reflash, and then install our awesome new BIG FLOW 3" stainless steel muffler and clutch kit. This simple kit will gain 40+...
This powerful kit will gain 65-70 horsepower over stock and still run on 91 OCTANE!!! Get your Thundercat ripping and get great fuel economy too! Just send us your ecu for a quick reflash, and then install our awesome new BIG FLOW 3" stainless steel muffler, aluminum charge tubes, turbosmart valve, and our SSI clutch kit. This powerful kit will gain 65-70...
This powerful kit will gain up to 100 horsepower over stock and still run on 91-93 OCTANE! And its fully adjustable on the dash! Get your THUNDERCAT 9000 tuned up to the Max! Just send us your ecu and speedo gauge for a quick Hurricane reflash, and then install our awesome new BIG FLOW stainless steel muffler, aluminum charge tubes, turbosmart valve, 3... This powerful kit will gain up to 100...