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2014+ Exhaust Systems & Mufflers

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Mike1220 Senior Enthusiast

Mike1220

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Hello! I have a 2014 silverado ltz 5.3L and I want to know your opinions on the best exhaust to gain MPG. I don't want my truck to be super loud, I just want a nice low rumble, nothing obnoxious. Suggestions please?

Magnaflow is a good one. That's what I have. And it's not too loud, soft rumble at idle. No drone. Sounds amazing when you hit the gas

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14SLTZ71 Enthusiast

14SLTZ71

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Hello! I have a 2014 silverado ltz 5.3L and I want to know your opinions on the best exhaust to gain MPG. I don't want my truck to be super loud, I just want a nice low rumble, nothing obnoxious. Suggestions please?

The real question is, how much are you willing to spend? There are tons of great systems out there.

Most cat-back systems will have minimal increase in MPG. They are mostly ear candy with very slight HP and TQ increases.

Edited by 14LTZZ71
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Michultra Enthusiast

Michultra

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I have the same question. Just bought the truck 2 weeks ago. I 'm new and want to know what others have put on their 5.3l crew truck.

I want something aggressive but just don't want to slap something on to make it loud and drown the engine of air.

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14SLTZ71 Enthusiast

14SLTZ71

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Hello! I have a 2014 silverado ltz 5.3L and I want to know your opinions on the best exhaust to gain MPG. I don't want my truck to be super loud, I just want a nice low rumble, nothing obnoxious. Suggestions please?

 

 

I have the same question. Just bought the truck 2 weeks ago. I 'm new and want to know what others have put on their 5.3l crew truck.

I want something aggressive but just don't want to slap something on to make it loud and drown the engine of air.

 

 

The GM Borla exhaust kit comes with the flapper valve. Read thru this thread, what you are asking has already been asked numerous times, I guarantee it will answer your questions, there are a lot of good posts about different exhaust setups, the pros and cons.

 

Edited by 14LTZZ71
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Daniel T Enthusiast

Daniel T

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The GM Borla exhaust kit comes with the flapper valve. Read thru this thread, what you are asking has already been asked numerous times, I guarantee it will answer your questions, there are a lot of good posts about different exhaust setups, the pros and cons.

 

Absolutely agree with this....I read this entire thread about 5 times before choosing my exhaust...I even decided against one brand because of posts here about drone and resonance issues.

 

I decided on the GM part because it has a flapper and bypass pipe the others do not. No drone or resonance so far!

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TxTruckMan Senior Enthusiast

TxTruckMan

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Hello! I have a 2014 silverado ltz 5.3L and I want to know your opinions on the best exhaust to gain MPG. I don't want my truck to be super loud, I just want a nice low rumble, nothing obnoxious. Suggestions please?

You won't gain any MPG with just an exhaust. Your best hope is to just not lose any.

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Michultra Enthusiast

Michultra

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The GM Borla exhaust kit comes with the flapper valve. Read thru this thread, what you are asking has already been asked numerous times, I guarantee it will answer your questions, there are a lot of good posts about different exhaust setups, the pros and cons.

 

 

 

 

Its now August of 2014. Theres has to be some new information out there. I have read this thread many times. It does not go into great detail like you say.

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Daniel T Enthusiast

Daniel T

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What details are you looking for?

The GM/Borla exhaust is the only one with a flapper and bypass pipe to help with drone and resonance issues...

All other cat back systems are a crap shoot as to whether or not you will get any of theses issues. Chambered mufflers seem to be worse in this department...but that isn't in stone.

Drone and resonance are something of a personal taste nature...what your ears find pleasing or not....some don't mind it and others hate it.

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14SLTZ71 Enthusiast

14SLTZ71

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Its now August of 2014. Theres has to be some new information out there. I have read this thread many times. It does not go into great detail like you say.

So your not interested in GM Borla, Borla, Corsa, AFE, Flowmaster, Magnaflow, Flo~Pro, muffler delete, flapper delete, resonator delete, ARH headers, etc.......What are you looking for then. Catbacks are mainly just ear candy with very limited HP and TQ gains. If you want particular numbers go to the manufactures website and they are always willing to provide you with their numbers. As for MPG gains, It will be minimal, you will be lucky to see any at all.

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Michultra Enthusiast

Michultra

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What details are you looking for?

The GM/Borla exhaust is the only one with a flapper and bypass pipe to help with drone and resonance issues...

All other cat back systems are a crap shoot as to whether or not you will get any of theses issues. Chambered mufflers seem to be worse in this department...but that isn't in stone.

Drone and resonance are something of a personal taste nature...what your ears find pleasing or not....some don't mind it and others hate it.

Don't really care about gaining 2 MPG. So far I have been leaning to that Corsa Sport. Just want something aggressive. I don't care about drone. Honestly think people make a big deal over nothing. If you don't want it loud don't put it on.

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Michultra Enthusiast

Michultra

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So your not interested in GM Borla, Borla, Corsa, AFE, Flowmaster, Magnaflow, Flo~Pro, muffler delete, flapper delete, resonator delete, ARH headers, etc.......What are you looking for then. Catbacks are mainly just ear candy with very limited HP and TQ gains. If you want particular numbers go to the manufactures website and they are always willing to provide you with their numbers. As for MPG gains, It will be minimal, you will be lucky to see any at all.

Torque gains with an exhaust? Think you have me mixed up with the other poster.

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14SLTZ71 Enthusiast

14SLTZ71

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Torque gains with an exhaust? Think you have me mixed up with the other poster.

Yes, I did say torque. Some manufactures claim that you will gain HP and TQ.

For example: This is what corsa says about their exhaust for the 2014 Tundra

Tips: Single Side Exit Twin 4.0" Polished Pro-Series
Sound: Sport (CLICK TO LEARN MORE)
Flow: Average of 16% gain over stock
Power Gains: Average increase of up to 3 HP and 9 TQ
Technology: CORSA's Patented RSC® Technology is designed for an AGGRESSIVE SOUND under acceleration and a DRONE-FREE EXPERIENCE during cruise. Every system is engineered specifically to each vehicle without drone while cruising.
I'm not saying I agree but Magnaflow claims TQ gains on the 2014 Silverado with this exhaust

 

CHEVROLET TRUCK SILVERADO 1500 Stainless Cat-Back System PERFORMANCE EXHAUST

Model # 17148

Material: 100% Stainless Steel

Tubing O.D. Size: 3in.

System Type: Cat-Back

TIP O.D. Size:

TIP Quantity:

Single/Dual: Single

Exit Position: TURN DOWN IN FRONT OF REAR TIRE

 

Features and Benefits: Lifetime Warranty, Dyno Tested And Proven To Make Power, Performance Gains In Horsepower And Torque, Great Sound -Has A Smooth; Deep Tone, Easy To Install, Mandrel-Bent. All Welded. Built To Last.

 

Edited by 14LTZZ71
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Trwtow Enthusiast

Trwtow

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Got mine gm borla on today very happy with sound and fitment

 

had muffler shop tack weld each section in addition to the clamps

Edited by Trwtow
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