GRC Signature Drivers Exit Exhaust

  RK Titanium Signature GR Corolla Single Exit Exhaust   We present to you the Signature single exit exhaust system for the GRC! 100% hand made in our shop in the USA 🇺🇸 using CP grade titanium. Each unit is tig welded and back purged. This system is a straight through true 3” connecting at the factory midpipe and terminating out an RK Signature muffler with twin 3.5” center exit tips. We’ve spent countless hours designing, driving, testing, re designing, driving, testing, listening, weighing and lastly welding this system to get it just, right. We managed to pickup +9whp / +10wtq along the way! We think you will agree. Where did we end up? Lightest possible weights at just over 10 pounds (10.3) complete with all hardware. Optimized sound bringing a clean, deep, pure natural vibrant tone out of your GRC. Aggressive growl when you want it, subtle and manageable at cruising and highway with the use of our tuned Helmholtz resonator option when you don’t want it. By identifying the rpm ran