Some of you may have searched high and low to find a quality high flowing mesh screen to put in front of your turbo inlet when not using a filter, well...we have found the perfect solution! Made from 304 Stainless, these woven wire mesh disk screens are corrosion resistant and are perfect to catch any debris that could damage your turbo! -Carefully chosen wire diamter and open area to maximize flow will still being able to trap large turbo damaging debris -We have them available in 4" OD, 4.56" OD, 5" OD, and 7" OD -4" OD are for 3" turbo inlets. -4.65" OD are for 3.5" turbo inlets. -5" OD are for 4" turbo inlets. -7" OD are for 5" turbo inlets. Depending if your turbo has a lip on the inlet or not, you may need to go one size bigger to aid in clamping all the way around. Combine these with our velocity stacks and you can really free up some HP without sacrificing an expensive turbo from inhaling debris! NOTE: These are for race and show applications only applications, we do not recommenced these for full time street driven vehicles.