Fabspeed McLaren 650S Sport Catalytic Converters Exhausts Big Old Backfires and explosions

Big Old Backfires and explosions in a GT3 are common too and hurt muffler cases

Special requests and tune file upgrades may be subject to additional fees

Noticeable improvement in sports car sound and throttle response

is strictly intended for closed track events and off-road use only

Fabspeed McLaren 650S Sport Catalytic Converters Exhausts Big Old Backfires and explosionsFabspeed Motorsport USA was the world's very first company to design, engineer, and dyno develop McLaren systems. We replace the four restrictive factory OEM catalytic converters with two ultra high performance HJS German Racing 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 copious testing