AMS Performance Alpha Performance GTR Turbo Kit 3-port Boost Control Kit (Externally Wastegated) - ALP.07.14.0016-1 fits_1987-1991`BMW`M3 The double-sided tape is all

The double-sided tape is all that's required to install this spoiler

This 'Extended-Kick' trunk spoiler will provide an aggressive styling that the W205 C-Class needs

Flow and Performance: This Large Bore-HD exhaust system is constructed of 5" mandrel-bent stainless steel tubing for maximum flow

(3-1/2 IN x 2

AMS Performance Alpha Performance GTR Turbo Kit 3-port Boost Control Kit (Externally Wastegated) - ALP.07.14.0016-1 fits_1987-1991`BMW`M3 The double-sided tape is allThe AMS Performance 3 Port Boost Control Solenoid Kit makes installing your Alpha turbo kit easier than ever. Everything you need to set up your boost control like a pro!?