Reduce interior noise in SECONDS by simply dropping in the pre cut BLOCKIT sound deadening mats right over your existing carpet! This is NOT a thin single layer mat. The BLOCKIT is a unique 4 infused layered combination of real acoustical soundproofing which measures 1″ thick! It absorbs and suppresses unpleasant sounds that leak into your C7s cabin. It’s perfect for taking that annoying edge off tire/road noise & some aftermarket exhausts. NO need to rip out your carpet & interior! The precision pre cut BLOCKIT Sound Deadening System lays right over your carpet! Fits C7 & Z06. One large piece fits perfect in your cargo area. One piece goes behind each seat. Patent Pending. Made in the USA.