The Tier 3 Towtector. The Tier 3 Towtector has two brush strips on each wing, that catch and drop debris, we know you’ll agree it offers better protection than any conventional mud flap. Why? Because unlike our competition, the Tier 3 Towtector spans nearly the entire width of your vehicle - instead of just the width of the tires. This extra coverage protects your towable from the debris that flys between the rear wheels of your vehicle. In addition to the added width protection, as stated above, the Tier 3 Towtector is manufactured with dual brush strips - these brushes ability to catch and drop debris, aids in keeping flying debris from bouncing back into the undercarriage of your vehicle further protecting it - and not giving that debris a second chance to damage whatever you are towing. The aluminum wing design also adds the benefit of light weight, long lasting durability.