Robertson Torque Tubes

Robertson Torque Tubes Unique performance exhausts for go-karts, mud boats, mini bikes, generators, and golf carts.

We finally got some more stickers made! I promise they look better than this picture of them 🤣
02/11/2026

We finally got some more stickers made! I promise they look better than this picture of them 🤣

Our VTWIN boat loops for those mud boats out there! Available for Briggs 16hp, 18hp, and 23 hp and also the predator vtw...
11/03/2025

Our VTWIN boat loops for those mud boats out there! Available for Briggs 16hp, 18hp, and 23 hp and also the predator vtwins!



NEW PRODUCT! Our go kart loop but for those running big builds for unrestricted or outlaw classes! .990 head pipes inste...
11/02/2025

NEW PRODUCT! Our go kart loop but for those running big builds for unrestricted or outlaw classes! .990 head pipes instead of the .902 on the GKloop. So only 3 stages compared to the 4. Just without the .902

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Here's a look at how our Comenan X Loop fits on a B200R. They fit but they come a little closer to the frame than some p...
11/02/2025

Here's a look at how our Comenan X Loop fits on a B200R. They fit but they come a little closer to the frame than some people like

Trailmaster Mini Bike Kit Predator 212Under the seat pipe kit that exits on the right side. Primary headpipe and fl**ge ...
07/02/2025

Trailmaster Mini Bike Kit Predator 212

Under the seat pipe kit that exits on the right side. Primary headpipe and fl**ge are welded and finished. Secondary staged end slips over primary you have to cut for right position and aim it under your seat then weld or clamp it. Staged to 1 5/16 O.D. on end. Pictures show finished pipe and the pipe in kit form.

Boat Loop Kohler 7hp CH270Directs exhaust to rear of boat. Increases low RPM pull, more acceleration.Includes mounting k...
07/01/2025

Boat Loop Kohler 7hp CH270

Directs exhaust to rear of boat. Increases low RPM pull, more acceleration.

Includes mounting kit with braces.

Coleman b200 pipeBuilt for the Coleman B200, but could fit almost any minibike application. 1" out of the head with one ...
06/30/2025

Coleman b200 pipe

Built for the Coleman B200, but could fit almost any minibike application. 1" out of the head with one stage and a telescoping second stage to make fit at your desired position and width to fit tightly to the frame and out of the way to then be clamped together

Go Kart Loop for Honda/Predator/Clone 200/212This 4 stage loop pipe makes the best torque and horsepower yet. Honda and ...
06/29/2025

Go Kart Loop for Honda/Predator/Clone 200/212

This 4 stage loop pipe makes the best torque and horsepower yet. Honda and Clone motors like a long pipe hence the loop. You get the length needed and it will fit inside the kart. It can be used with a 1 5/16 muffler or our Clamp on Flare (COF). The mounting kit is included.

33” IL

1st Stage .902 ID
2nd Stage 1.020 ID
3rd Stage 1.150 ID
4th Stage 1.212 ID

Coleman X style loop pipeLoop pipe that exits out the right side, all inside the frame rails. Clears the plastic rear fe...
06/28/2025

Coleman X style loop pipe

Loop pipe that exits out the right side, all inside the frame rails. Clears the plastic rear fender. Same botton end pull like all our loops. Will fit most other Mini Bikes that don't have room to exit out to the rear. Not a leg burner. Made for the Coleman X Mini Bikes will fit other models. This one is not the same as our Side Loop.

Go Kart Loop for Honda/Predator/Clone 200/212This 4 stage loop pipe makes the best torque and horsepower yet. Honda and ...
06/27/2025

Go Kart Loop for Honda/Predator/Clone 200/212

This 4 stage loop pipe makes the best torque and horsepower yet. Honda and Clone motors like a long pipe hence the loop. You get the length needed and it will fit inside the kart. It can be used with a 1 5/16 muffler or our Clamp on Flare (COF). The mounting kit is included.

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Boat Loop Briggs V Twin VanguardWorks on 16HP, 18HP, or 23HP motors.  Please specify which motor.  Increases Low RPM Pul...
06/26/2025

Boat Loop Briggs V Twin Vanguard

Works on 16HP, 18HP, or 23HP motors. Please specify which motor.
Increases Low RPM Pulling Power
Disc Muffler, Brace and Bolts Included

Mini Bike Loop Honda/Predator 200/212Performance Torque Tube – Best Bottom End and Mid Range Power –  4 stages- Stock Ai...
06/25/2025

Mini Bike Loop Honda/Predator 200/212

Performance Torque Tube – Best Bottom End and Mid Range Power – 4 stages- Stock Air Box has to be removed.

Specs- 11" long from Exhuast port center to end.

10.5 " tall from motor mount plate up to end.

Mandrel bent quality built exhaust

Address

6940 Harley Lane
Rapid City, SD
57702

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