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Below are examples of the latest pieces from Retrodyne. 

I can't list everthing I do because it would be a long list. contact me for info and pricing.  

Custom Exhaust

Below are a few more examples of mainly two stroke and some four stroke exhausts. If you can imagine it, I can make it. High pipes, low pipes, through the frame, through the seat. 

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Mark Morrow's RD400. 

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Max Weber's Kawasaki KE100. 

Max is also the owner of Phenom Print Studio. He prints all of my t-shirts, stickers and related graphics. He is a design genius and has printed a shirt for me in 6 hours from request. 

He can be contacted via email at create@phenomprintstudio.com

77 Yamaha YZ125

This bike was the first time I was able to make the pipe, port the cylinder and cut a proper squish into the head. 

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The customer described it as the power of a YZ250 with the power band of a four stoke. Able to pull second gear starts and pick the front wheel up in almost every gear. 

 

The pipe was my first "Works style pipes" for a MX bike. Still my design, I stole the outline from period works bikes. This bike was also featured at Mama Tried in Milwaukee in 2018. 

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1968 Suzuki T200

Ever since I started working on motorycycles, I've been obsessed with scrambler or high pipes on twins. This is a highly modified T20 frame with bodywork by Sakis. 

The pipe routing was the most difficult of any I had done up until that point, but if it's not the hardest way possible why do it. 

Same pipes as above. Inspired by early Suzuki factory twins, triples and square fours. I was obsessed with how the silencers came out of Barry Sheene's seat. Took almost two hours to file the wholes to fit perfect because of the oblong shape as they come out of the seat. 

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Tom Canellos kawasaki Bighorn. 

This takes the cake for dreaming big. literally. 

Tom messaged me and asked if I'd be able to make a high pipe for his supermoto style, road race bighorn. He figured there'd be no way possible to have the pipe come out on the left side, but also have the silencer mounted on the right by the spring. 

This pipe, with its 6" diameter belly, 54 feet of weld and silencer that snakes through the frame proves that anything is possible. 

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Dreams to do come true!!

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350 Bighorn high pipe. I absolutely lost

Four strokes...

PART 2: Hydroformed megaphones for Denny
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The above is my second attempt in hydroforming megaphones. a lot more info is available on my instagram. 

 

I had a lot of fun making these, Theres something to be said about perfectly smooth "S"s...

I gave these to one of my heros, Denny Poneleit. In 2016 Denny helped me rebuild my broken, POS Honda CB160 and kept me from jumping into the Mississippi River with the bike tied around my neck. 

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I added spring mounted, aluminum silencers too them, while still keeping them as true, reverse cone megaphones. (reverse cone not pictured)

Fresh off the presses, Denny Poneleit's
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Sand bending. This is something I'm still working on perfecting. I've been able to make wide radius headers, but tight bends still elude my grasp. 

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MEGAPHONES

The mysterious megaphone. I have a little bit of fun making megaphones. I make true, reverse cone megaphones with or without silencers.

 

Don't be confused by a tapered cone with a muffler shoved in there. They aren't the same. 

So far I've made megaphones for XR500s, XL350s, TT & SR500s, CB-CL 77-72s, CT-ST 70-90s, XR200s, CRF150s and some other weird ones. 

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One of the more recent builds, Shawn Sheely's XR500. Panther frame, M3 Racing engine. I designed and built the pipe from scratch. More details available on instagram of the step by step of the pipe and the complete build. 

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Other services

I offer most services in regards to bike building. Frame modification, engine building, porting, machining, fabrication, wheel building and more. From taking a few millimeters off of a spacer, to buiding a race bike from a barn find street bike. I don't take many pictures of engine building or porting because the point isn't easily moved across.

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Cutting a proper squish in a two stroke head is essential. You'd be surprised how many heads are set up per some 1965 tuning manual OR done with a dremel. Race bikes need to use fuel as effecently as possible and this is one of the biggest parts of that.

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Left: A set of Kawasaki A1 heads. Impossible to weld and impossible to cut the correct volume into in stock form, I completely machined them out and pressed a solid piece of aluminum into the stock heads. this allowed me to cut a perfect dome and squish band into, use long reach plugs and cut an o-ring grove into. No more guessing and checking with a dozen different head gaskets. 

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