Our RACING SPEC IV exhaust systems adheres to the same basic principles used in all of our RACING SPEC mufflers - straight through design and light-weight for efficient exhaust flow. Our RACING SPEC IV muffler has additional built in silencing cavities in the muffler, making it substantially quieter than our Spec III and and Spec III Pro systems without having to use a separate bolt-in silencer. Our RACING SPEC IV Exhaust systems strikes a perfect balance between efficiency and adequate noise supression. Other available systems employ noise supressing techniques that has a high level of exhaust resistance such as chambers and restrictive fiberglass exhaust padding. All of our exhaust systems are designed with a straight through design. There simply is no other alternative that will yield the least amount of exhaust flow resistance. Our key to our SPEC IV design is in the silencer. |
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