Kartboy Front and Rear Endlinks WRX (2008-2014) STI (2008-2018) Mercedes One of the most common

One of the most common leaks that we hear about is from running an OEM downpipe with an aftermarket 3" catback without a proper adaptor

3 with a 45mm offset

StopTech rotors are guaranteed to have a top shelf fit and finish

Factory bypass valves have two main shortcomings – one is that they are typically designed to start opening above a certain pressure to protect the engine

Each system features mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure

Kartboy Front and Rear Endlinks WRX (2008-2014) STI (2008-2018) Mercedes One of the most commonThe Kartboy front and rear endlinks are some of the most popular modifications among Subaru WRX 2008 2014 and STI 2008 2017 enthusiasts. For the price you cannot beat the bang for your buck value in terms of handling. The factory end links can soften over time. These Kartboy endlinks are made from a solid design, CNC cut and hard anodized 6061 T6 aluminum with stiff urethane bushings for the proper amount of dynamic flex. Basically a solid way of say