*Free shipping promotion does not apply to some brands or certain oversize items. Does not include orders
shipped to AK, HI, PR or outside the USA. Only valid on items that have this message on their item page:
Spectre's polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outide diameter of 5 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.
Spectre's polished aluminum inline airbox with air filter has a 3 inch inlet and outlet. This cylindrical air box has an outside diameter of 4 inches. It allows you to...