Summit Racing™ formed transition tubes are commonly used for fabricating intake and exhaust plumbing in turbocharged, supercharged, and custom exhaust systems. Available in 304 stainless or 6061 aluminum, and offered in various diameters, these concentric reducers will help you get it plumbed quickly and neatly. Select the size for your application.
OCTOBER 2026 UNLEASHED!
The October 2026 issue of RPM Magazine is loaded with serious street and strip horsepower, from old-school muscle to modern...
































































