This Stage II back pipe, when combined with the Stage I Air box, will increase power further to around 15 AWHP and will slightly increase intake supercharger whine.
GS2 Air Leather (VW/Audi Manual)
LOCTITE 222MS Threadlocker for Shift Knob Set Screws
Set Screws for VW / Audi / BMW / Mini Shift Knobs
Red BFI Crest Coin for Heavy Weight Shift Knobs