4" S/S Discs Only, 6 pcs

Many-off-road-areas-now-require-some-form-of-a-spark-arrestor-to-limit-the-chance-of-fires.-EMPI-now-has-a-variety-of-spark-arrestor-assemblies-to-choose-from.-The-3"-&-4"-disc-kits-are-for-clamp-on-or-weld-on-installation.-The-10"-&-17"-mufflers-are-Stainless-Steel-outer-shells-with-4"-discs-for-fine-tuning-of-your-exhaust-restriction.-All-of-the-assemblies-come-with-long-enough-screws-to-add-additional-discs-if-your-horsepower-needs-dictate-it.-The-10"-muffler-is-also-available-with-&-without-a-mounting-bracket-so-you-can-custom-fit-it-to-an-existing-exhaust-system-if-you-so-choose. (SKU: 37390)