I've got a 2014 5.3L Silverado and yes it has the AFM I want it gone but for now I have to deal with it. I had a flowmaster 40 series installed and resonator cut off, and it is very quiet. I see no flapper valve so I am assuming that he cut it off to (which I was unaware of a flapper valve at the time). My question is, why is it so quiet? Does the AFM make that big of a difference In sound even when in v8? Is the flapper valve still there? Did the guy do something to make the truck quieter (we had a small disagreement while he was installing the system, and after he was done he said "if you ever want it louder we can cut off the 3rd cat"). Any help is greatly appreciated and I am going to try and put pics in the comments cuz it will not let me in the the post.
The Sundae Drive does an in-depth video showing how to install an oil catch can for a 2014 Silverado 5.3L. What are the benefits of an oil catch can? Well if you visit the follwing sites you can read all about the benefits and importance of running an oil catch can. Catch cans are NOT ONLY for turbo/supercharger applications. They can be very beneficial for people with naturally aspirated setups. https://www.redline-motorworks.com/bl... http://oilcatchcan.com/oil-catch-can-... Purpose of your Stock PCV System: The PCV (Positive Crankcase Ventilation) system is designed to regulate and remove fumes from the engine crankcase and to alleviate crankcase pressure which could cause oil leaks or seal damage. The PCV system routes crankcase fumes into the intake manifold where they can be burned to eliminate harmful emissions into the atmosphere. The PCV valve controls the amount of crankcase flow volume depending on the engine's load. With large throttle openings (high engine loads), the more blow-by gases are produced, and the more the PCV system flows oil vapor into the intake manifold. A small amount of that ignited mixture leaks past the piston rings and ends up in the crankcase. This leakage is often referred to a "blow-by" or leakage past the pistons. Some of the oil mist and other products settle along the engine intake and over time form a "gunk". Our oil catch can collect the oil mist and condensed the fuel vapors while allowing "cleaner" gasses to pass back into the intake manifold. To pick up a Catch Can of your own go check out: http://www.eliteengineeringusa.com/ Here is the link for the E2 Catch itself and a diagram showing how it works! http://www.eliteengineeringusa.com/e2...
By Big gm
Hey. So i have a 2014 gmc 1500. I put cold air intake on it and had it tuned time for new exhaust. But not sure if i want to go with headers and highflow cats and some flow masters. Or if i should save a few bucks and just do cat back exhaust 1 in two out . Yes def sounds better with headers. But. Im wanting some hp too. Is the gains gonna be worth the money to run true duel with headers. Or will jist cat back open it up enough. Any feed back would be great thanks.
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