Benefits

  • 30-130 RPM gain during takeoff, climb, and cruise flight


  • 3 to 6 second reduction in takeoff roll


  • 125-300 feet per minute (fpm) increase in rate of climb


  • Top speed increase of 3 to 6 miles per hour (mph)


  • 1.2 to 2.2 gallon per hour (gph) reduction in fuel burn at the same speeds as before


  • Cylinder Head Temperature (CHT) extremes reduced between cylinders and overall temperatures reduced


  • Exhaust Gas Temperature (EGT) extremes reduced between cylinders


  • Smoother running engine


  • Fully FAA STC'd tuned exhaust system manufactured under an FAA/PMA.


  • Kit includes a complete 321 Stainless Steel Exhaust System, i.e., 4 headers, cabin heat shroud, carburetor heat, extractor system, muffler, support rod, STC, instructions, including all necessary hardware for installation (nuts, No-blo gaskets, etc.)


  • Improved design and performance of cabin heat and carburetor heat exchangers