Benefits
Top speed capability improved by as much as 6.5 knots at 11,500 feet
Improved rate of climb - up to 15% improvement
Fuel savings at the same speeds - up to 1.3 GPH less
Improved engine efficiency
Cooler oil temperatures during climb - save fuel
Cooler cylinder head temperatures (CHT) in cruise at same speeds
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, STC, instructions, and all necessary hardware for installation (nuts, No-blo gaskets, etc.)
New & improved design for Cabin heat exchanger
Installs in most J models in 3 hours or less without any modification to the cowling.
Installs in most E, F models in 3-5 hours (4-7 if Gen1)
Both Gen 1 and Gen 2 systems comply with Service Bulletin.
Benefits of Gen 2 vs Gen 1:
Greatly improved fit for all original cowled aircraft. Should fit all E/F/J models except:
-Will not fit late model J aircraft with electric cowl flaps (collector will run into motor bracket), although original system will fit this aircraft.
-Unknown if it will fit with LoPresti Cowl (not yet attempted).
No fit problems with stock or relocated oil coolers
Improved Cabin Heat - with out the use of "pre-heat"
New Quiet Pipe muffler is as much as 3Db quieter. Tone is more mellow, it "purrs".
New Quiet Pipe muffler is a smaller diameter where it connects to the collector. Instead of a 3.0 inch pipe, it is a 2.0 inch pipe which should avoid any cowl flap issues.