Fabspeed McLaren MP4-12C Sport Catalytic Converters (2011-2014) hawk ht10 SOUND: Expect a substantial increase

SOUND: Expect a substantial increase in intake growl and turbo spool sounds over stock

Note:  This item is available for preorder only

bottom locking plate and cotter pin to secure locking plate

creating an additional layer of protection that can hardly be felt

Fabspeed McLaren MP4-12C Sport Catalytic Converters (2011-2014) hawk ht10 SOUND: Expect a substantial increaseReplace the four restrictive factory OEM catalytic converters with two ultra high performance German HJS 200 cell sport cats for maximum performance and sound, and no check engine light guaranteed. Utilizing our two development McLarens, MP4 12C and a 570S, we've experimented with many designs and were able (after much testing and engineering) to craft the highest quality catted downpipes on the market. We are utilizing bullet proof, high flow 200