Porsche 911 GT3 Cup Factory/OEM Catalytic Converter Re-Coring pontiac solstice brake pads After dozens of dyno runs

After dozens of dyno runs and many revisions to runner length

HELICAL VALVES:  We use Helical Valves for their unprecedented quality - which have been proven by many OEM manufacturers such as Porsche themselves

making the Alpinestars ZX Evo Racing Undershirt nearly seamless

Excellence

The Prime SP-16

Porsche 911 GT3 Cup Factory/OEM Catalytic Converter Re-Coring pontiac solstice brake pads After dozens of dyno runsReplace the worn out or broken core of your factory Porsche Cup Car catalytic converter(s) with a new high performance HJS tri metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace the inner core of your Porsche Cup Car catalysts with new high performance cores from HJS Germany. These premium catalytic converters are a fantastic way to refresh your factory exhaust system without sacrificing the factory appearance. Please call us