When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
the front TT-S bumper has an additional extension on the lower part...this piece is bolted/glued onto the standard TT bumper - you can also tell because the lower side vents on the TT bumper will no longer be visible (my sig below has the TT bumper only). the rear bumpers are identical
Here is a side by side... the Polar Silver (left) has a Turbo bumper and the Arctic Sivler (right) has the Turbo-S Euro bumper (without the bumperrettes).