Benefits
Dyno proven up to 23.75 horsepower gain over the original system
30 to 150 RPM increase on static run-up
4 to 6 second reduction in takeoff roll
125 to 300 feet per minute (fpm) increase in climb rate
1.2 to 2.2 gallon per hour (gph) reduction in fuel burn
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.)
New & Improved design for Cabin heat and Carb heat exchangers; significantly more durable than the stock exchangers. No welds in cabin heat area practically eliminating the possibility of Carbon Monoxide poisoning
Up to an 1.5 decibel reduction in cabin noise when compared to the stock exhaust system
Easy installation in only 4-6 hours; little or no modification to aircraft required (1.5 inch hole in cowling required for support rod on 1972 or later model 172s. Template provided with kit)