Flex Headers for Twin Cylinder

High quality stainless steel headers available in three different drops to fit most applications. To determine the drop you need, measure from the face of the of the exhaust port down to the center centerline of the inlet on your canister or tuned pipe.  Below is a list of some popular planes and what headers and header drop distances fit them best:

Note: 

70cc standard headers require 22mm couplers and clamps

100 and 120cc headers require 25mm couplers and clamps

150 and 170cc engines require 28mm or stepped couplers and clamps

200cc Y headers require 28mm or stepped couplers and clamps

200cc drop lengths. 

Shallow: 60mm

Deep: 90mm

Deep Deep: 115mm

AJ Aircraft

Laser with DA70 use 90mm drop 2 into 1 header with MTW TD110H canister

Extreme Flight

 91" Extra with DA70 use 60mm drop 2 into 1 header with MTW TD110H canister.

Carden

124" Pro Extra 300  DA200 deep drop or 90mm drop for twin cylinder engines

Dalton Aviation

42% Extra 260 90mm drop, if using front exit KS cans use 70mm drop

40% Extra 300ML  DA200 deep drop or 90mm drop for twin cylinder

38% Yak 54 DA200 shallow drop

*Headers priced as pairs, with the exception of the DA70 2 into 1 headers. 

How to measure header drop. Looking for the "X" distance.