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Showing results for tags 'resonator delete'.
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Hey Forum, I have been looking online at the different exhaust systems out there available for the 2014 5.3L, and they are more expensive than I though. For example, Flowmaster's Outlaw system is $850 just for the parts. So, I called a custom truck shop near town and they stated they would be able to cut off the muffler and take out the remaining pipe after the muffler. After the third cat, they would install a Y-pipe and run the exhaust out of the rear corners with 4" tips for $325 installed. I looked up several videos on YouTube where others have done this and the setup sounds good to me. My concern is, after removing all the restrictions after the third cat, will there be a decrease in MPG or HP due to the lack of back-pressure? Or, an increase? I do not understand the back-pressure concept so I am out of my league when it comes to exhaust knowledge. -
Hey guys I'm new to the forum but I've been having some exhaust issues, and I'm hoping someone can help. I just recently swapped my muffler for the borla XR-1 (40085) muffler and deleted my resonator. I left the valve after the OEM muffler and then dumped the exhaust after the rear axle, no tip, just pipe. Ive been having an issue with a whistle or "whoosh" sound whenever I accelerate or whenever I have a warm start. I've gone to a shop to have them check the welds for leaks/gaps and there doesn't appear to be any issues and I still have the sound. Has anyone else had this issue with this model #? Could it be a defective muffler? Also, would adding an exhaust tip to the dump after my axle fix this issue? I'm open to all options at this point since it's not a leak like I was thinking. Thanks,
