3″ to 4″ Curved Turbo Outlet Transition/Reducer

$92.00

When building the exhaust after the turbo, room to make the first bend is often limited. Even more so if you want step up to a 4” exhaust from a turbo flange made for 3” tube. For all the instances that don’t have space for a normal transition, we formed one that does both.

(Video shows old/original 2pc 3″ to 3.5″ design)

Designed around an efficient but quick expansion at the turbine discharge where there is a lot of swirl in the exhaust flow.

Includes: 2pc formed 3″ to 4″ transition (no flange)

Out of stock

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Description

-Initiates the bend off the turbo discharge with a quick, smooth expansion to 4”
-Allows a 4” elbow to be used with a 3” turbo outlet flange without adding the height of a standard transition.
-Especially useful when a larger integrated transition flange isn’t available, while offering a gentler flow path.
-Curved to match the following bend, with a similar CLR to a 4” tight radius elbow
-Two piece allows a compound angle if needed, concentric interface/seam to match at any orientation
~20deg total angle with a light scribe on the short side for alignment reference
-Matched specifically to the outer lip (not the inside 3″ groove) of StainlessBros turbine discharge/outlet flanges, as well as most other flanges made for 3″ tube

Made from 16GA SS304 tube.

We hope this opens up as many fabrication possibilities as it has for us!

After receiving the completed worksheet below, we will email an invoice over and generally ship within 1-2 business days after payment. Each are made/formed by hand so orders of 5+ may take longer.

3″ to 4″ Curved Turbo Outlet Transition/Reducer

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