3-inch oval exhaust pipe adapters connect to round tubing, collector flanges, and more. 3-1/2-inch by 2-1/4-inch sized oval welds to your oval exhaust pipes. Adapt your 3-inch oval exhaust system to round exhaust pipes, headers, etc. Adapters crafted from 16-gauge (.060-inch wall) 409 stainless steel. Weld-on 4-bolt flanges laser cut from 3/8-inch 409 stainless steel plate. Available in 3-inch round, 3-inch V-band, 3-bolt collector, and 4-bolt weld flange. Oval inlet/outlet mufflers, oval tubing, and more available to build your system. Build Your Next Exhaust System with Oval Tubing for Better Fit and Ground Clearance As you power up your project the exhaust system needs are certainly a concern. You probably have manifolds or headers already picked out for fitment reasons like an LS swap, but south of the manifold or header exit is often left up a local exhaust shop and their limited product line. If your build needs the capacity of a 3-inch exhaust system, then you’re further compounding the issue trying to fit a pair of 3-inch “sewer pipes” under your car. Then, even if you do find the room for 3-inch dual exhaust (which often just ends in dumps at the rear axle) it is now usually the lowest part on your ride and will kiss every speed bump it meets. What to do? The answer is in the same type of exhaust NASCAR has been using since the mid-’90s, oval exhaust tubing! The oval exhaust tubing cross section provides for increased flow while not requiring any more height than most standard exhaust systems. We offer 3-inch oval exhaust pipe for your performance exhaust needs with a cross section of 3-1/2 inches by 2-1/4 inches. That means you have the horsepower support of a 3-inch exhaust, but it only needs the typical 2-1/4-inch pipe clearance height wise, perfect for lowered vehicles or vehicles with minimal traditional exhaust routing space. Adapt Your New Oval Exhaust Pipe System to Your Headers and Mufflers Building a custom 3-inch oval exhaust pipe system means at some point you’ll need to connect it to your manifolds or headers, your mufflers with round inlets/outlets (though we do offer some nice stainless mufflers with oval inlets/outlets too!), and provide bolt-together service sections for transmission removal and over axle sections to allow the system to be installed easily once welded together. We offer 3-inch round to oval exhaust pipe adapters to the most popular connection options. From the old school 3-bolt header flange to the modern V-band flange, as well as to standard 3-inch round tubing for tailpipe tips, mufflers, and more from 16-gauge tubing. Our 409 stainless 4-bolt flanges are an option if you prefer bolt-together exhaust sections over the modern V-band option. They are 3/8-inch thick for a leak free seal that won’t warp and use your supplied 3/8-inch fasteners to secure. We further support your oval exhaust pipe system build needs with full oval exhaust builder kits to get the job done.
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