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· Practicing Infidel
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15,114 Posts
hey guy i was wondering why they dont make a dual cat back system for the last generation of broncos ? seems to me if i own a shop this would make a killing .
Other than pure image

a larger single, mandrel bent system will outflow and out torque any dual system. It also delivers a pretty serious mileage increase too. It's also dirt cheap compared to duals too.

Start with a mandrel bent 3" tailpipe for as low as $23.00;

http://www.fullsizebronco.com/forum/showthread.php?t=73684&highlight=mandrel+bent+tailpipe+sixlitre

Then work forward choosing whatever 3" muffler that suits you. Before that is where you solve your Bronco's real problem: The restrictive Y-pipe.

IIWY I'd put a better Y-pipe on first and reap the mileage and power benefits while you're deciding with muffler to go with.

Sixlitre
 
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