Evolution 33GX for sale. Used. Around 1 gallon of fuel through it. Was installed on Hangar 9 RV4. Removed to install a Saito FG61TS. Engine comes with wrap around pitts muffler and ignition module. I have a Bisson Muffler that Lance at Bisson Mufflers custom made for me to fit inside the cowl of the Hangar 9 RV4 that could be included at an extra cost of $60. Shipping and PayPal fees are on the buyer.