C8 Corvette ZR1 Sport Racing HJS German Catalytic Converters

The C8 ZR1 is already a 1064HP beast—but stock restrictions choke it's true potential. FABSPEED MOTORSPORT USA's ULTRA High-Flow GERMAN Imported Racing Catalytic converters are 100% PROVEN in GLOBAL MOTORSPORTS WEC/IMSA competition and engineered to free the fury. Designed with the ultimate catalytic converters rated at 1200HP each, Fabspeed employs (2) 200-cell EMITEC HJS tri-metallic sport cats for the C8 ZR1. The Fabspeed HJS German racing catalytic converters FLOW 90 to 92% of a straight pipe to dramatically reduce backpressure thereby maximizing exhaust flow, turbo spool, twin turbocharged exotic whistling noises and throttle response. Fabspeed HJS Emitec C8ZR1 catalytic converters achieve all these results WHILE being EPA Compliant and European Homologated, Certified and TUV approved. More power than illegal catbypass pipes as well. 

Crafted from aerospace-grade T304L stainless steel, Fiber Optic Laser and back purged TIG welded for maximum durability, this upgrade delivers a deeper, more aggressive tone while saving significant weight. Saves -20 pounds -9.1KG, while unlocking real horsepower gains. Expect 100% guaranteed quicker turbo spool-up/spin up transient response, a ferocious growl, and dyno-proven performance increases across the RPM range.

Whether you're chasing numbers or just want your ZR1 to sound as wild as it looks, this is the upgrade it’s been begging for!

• Fits all 2025+ C8 ZR1's (does not fit 2026+ ZR1X's)
• High-flow, emissions-compliant and certified maximum possible performance catalysts
• Dyno-tested horsepower and torque gains- NO BULL-SHIT. +91 HP and +141 lb-ft TORQUE 120.5 dB
• Signature Fabspeed sound—bold, refined, and unapologetic
• 100% CAD designed, CNC machined, and manufactured at our Fort Washington facility, therefore it is 100% Made in the USA!
• Bolt-on power. Track-ready tone. No compromises.
• Insulated with 2000 degrees Fahrenheit/ 1094 degrees Celsius ceramic fiber, wrapped in a 625 Inconel Double Wall Heat Blanket
• More power than Cat-bypass pipes ZERO need to go cat-less and be illegal. 
• Fabspeed USA - HJS Germanys 25 year USA North American exclusive imported dealer distributor- genuine HJS - Emitec HJS racing catalytic converters.
• We use German-made HJS HD tri-metallic 200-cell EURO 6 homologated catalytic converters for the best performance and reliability
• NO catalyst generated check engine light (CEL) Guaranteed
• No ECU tune required
• Simple bolt-on installation, no cutting or welding required
• Not cross-compatible with ZR1X
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

(INQUIRE about ZR1 link pipes, 5 ply blue silicone boost hoses that color match the ZR1 blue devil plenum , billet aluminum intake tubes (versus cheap plastic) and other HIGH PERFORMANCE and cosmetic upgrades for the C8ZR1 and C8 ZR1X- to register your interest- email info@fabspeed.com and sales@fabspeed.com - all COMING SOON- be the 1st to get the worlds best stuff)