Cessna 185

Note : Power Flow Systems has purchased the assets of Leading Edge Exhaust Systems (LEES)

Cessna 180, 182 and 185 “Power Monster Cross-Flow” TM

US Patented Dual Exhaust System:

  • Converts antiquated high back pressure muffler to true dual exhaust
  • Dyno testing showed gain of 15HP & 28 pound feet of torque on an O-470 engine leaned to 2600 RPM
  • Less back pressure yields increased performance
  • Two totally independent high-performance mufflers
  • Heavy duty fully TIG welded construction
  • 1¾” x .049″ mandrel bent, equal length primary tubes
  • Patented 3-1 collector
  • 2 1/2" tailpipes, 4 hole 1/4" flanges

*According to customer dyno tests. The latest dyno test was done at Lycon Engines using one of Ken’s IO550 Exp. 11:1 compression ratio engines. It pulled 354 Hp and 668 pound feet of torque with the stock Cessna exhaust system @ 2700rpm and with Leading Edge Exhaust System’s “Power Monster Cross-Flow TM” dual exhaust, it pulled 381 Hp and 708 pound feet of torque @ 2700rpm, a 27 Hp gain and 40 pound feet of torque! Fits Continental 470, 520 & 550 Engines – U.S. Patent #’s 5768891, 6796402 & USD579841S