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Exhaust Systems!



Kitfox & Avid Flyer Exhaust Kitfox/Avid Flyer Exhaust.

This 4 into 1 system is used on the Kitfox and Avid Flyer installations using a VW engine. Works with Model 1821 or any of the injector type carbs.
Kitfox/Avid Flyer Exhaust . . . $395.50


KR 2 into 1 Exhaust KR Two into One Exhaust.

This exhaust system has the front two pipes connected and the rear two pipes connected exiting in two separate tubes. Will accommodate Model 1617 and 1821 carbs with minor builder modification. Injector carbs and Model 1821S does not interfere with exhaust.
Two into One Exhaust
$357.95
Installation Instructions!


KR TrI-Gear Exhaust KR Tri-Gear Exhaust.

This four into one system exits on the pilots side of the nose gear. Will accommodate injector type carbs and Model 1821S.
KR Tri-Gear Exhaust System . . . $387.50Installation Instructions!


Dragonfly Exhaust Dragonfly Exhaust.

This system has four individual, equal length pipes that attach to the cylinder heads. Will accommodate injector carbs as well as our Model 1617, 1821 and 1821S.
Dragonfly Exhaust System . . . $357.95


FLYWHEEL Drive Exhaust Flywheel Drive Exhaust System.

This four into one system exits on the pilots side of the nose gear. Will accommodate injector type carbs.

Flywheel Drive Exhaust System . . . $357.95


Universal Exhaust
Universal Exhaust.

This Universal Exhaust System attaches to a Type 1 VW and features four separate pipes. Fits many homebuilts, including the Sonex.

Universal Exhaust System . . . $289.95


Pre-Welded Exhaust Pre-Welded Exhaust.

Two left and two right pre-welded exhaust.
Pre-Welded Exhaust . . . $48.95


Stinger & Insert Stinger and Insert.

If you are building your own exhasut system, you may want to add this stinger to the end of the system. The stinger features an unwelded 3 bolt flange that allows you to rotate the stinger into the position you want before welding. Inside the stinger is a replaceable fiberglass packed mini replaceable muffler.
Stinger and Insert . . . $29.95
Replaceable mini muffler with fiberglass
$9.95


Exhaust Collector, 4 into 1 Exhaust Exhaust Collector, 4 into 1.
Also available, but not pictured are 2 into 1 Collectors


This unit allows for 4 tubes of 1.375" O.D. to be placed into 1.
Exhaust Collector, 4 into 1 Exhaust . . . $29.95
Exhaust Collector, 2 into 1 Exhaust (one each) . . . $19.95


Stub Exhaust Kit Stub Exhaust Kit.

This U-build kit contains 4 exhaust welding flanges and 2 each 180 degree sections of 1 1/2" O.D. or 1.375 INCH O.D. mandrel bent exhaust tubing 8" long.
Stub Kit . . . $23.95
Please note 1.250", 1.5" or 1.375" size in the notes!


U-Build Exhaust
U-Build Exhaust Kit.

Our mild steel exhaust kit is very popular for those wanting to build their own exhaust system. This kit contains four each exhaust welding flanges, six each 180 degree 8" long sections, two 45 degree tubes, one slip tube, and four each 90 degree 8" long sections. All tubing is 1.5 inch O.D. or 1.375 inch O.D. mandrel bent.

U-Build Exhaust Kit
$110.95
Please note 1.250", 1.5" or 1.375" O.D. in the Notes Section1


Click here for:
Exhaust Accessories and Exhaust Parts
Brass Exhaust Nuts Brass Exhaust Nuts

These Brass Exhaust Nuts will not rust on the exhaust stud or pull stud when removed.
Brass Exhaust Nuts Only $3.95 for a set of 8.


Note: All exhaust systems except for the Kitfox/Avid and the Dragonfly system are for use with a POSA, Ellison or Revflow Carburetor. Our Model 1617 or 1821 will not interfere with either of the above or will work with the either of the KR systems with some slight builder modification to the exhaust system.


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Call us at 1-800-922-6507 (US Only)
Questions at 1-402-493-6507
Fax us at 402-493-3846.
Inquiries can also be directed to:

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Great Plains Aircraft Supply Co., Inc.
P.O. Box 222
Bennington, NE 68007