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Stock or quiet Muffler with Headers?

RaptorEater

By RaptorEater
in Engines & Drivetrain

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wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

 

You are a saint, Ive been waiting for someone to post a vid of the GM Borla with headers. I had a suspicion it would sound amazing but wanted to hear it!

 

Love to hear some in car driving vids windows up/down and maybe a fly by.

 

 

 

You owe me $5 worth of gas p.m. me and I'll give you my PayPal

 

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Lgetz Senior Enthusiast

Lgetz

Posted
Posted

LMAO.....

$5 is a cheap investment to make instead of shelling out 1K for an exhaust you end up regretting later.

Wildlyfe thanks a ton for the vids and your time.??

wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

LMAO.....

$5 is a cheap investment to make instead of shelling out 1K for an exhaust you end up regretting later.

Wildlyfe thanks a ton for the vids and your time.

Who am i kidding i love mashing the gas pedal. I dont need an excuse.

 

If you listen to the video closely when i pull out my driveway it has a slight high pitched tinny noise. Only when i really get on it around 3K-4K RPM and stops after 4K. It isnt anything loose or close to touching anything from what I can see I was under the truck tapping and wiggling everything. I think I'm just hitting the resonant frequency of something mabey the heat shield next to the trans or just the whole exaust.

 

If anyone one else can chime in if that is normal or not. Or thinks i'm on the right track. I would appreciate it. It does not really bother me. It is only for a short period though the RPM range that is what leads me to belive i'm just hitting the resonant frequency of something.

 

Also you can hear the valves with the headers in and the exaust pulsing in the LT headers. I almost thought is was a leak it takes a little getting used to but now i like it. Only when standing next to the front of the truck you can hear it. Cabin is pretty quiet unless you get on it. You can feel a little vibration on the floor board from the headers as well.

 

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jrob56 Enthusiast

jrob56

Posted
Posted

 

 

 

 

You owe me $5 worth of gas p.m. me and I'll give you my PayPal

 

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Thank you that sounds great, probably a fine line whether it's too loud or not. Love the tone my borla has now but nice to have just a little more volume. I feel like I did hear that sound you mentioned.
  • 2 weeks later...
15_silverado Enthusiast

15_silverado

Posted
Posted

How do you guys with no cats go through emissions test with your truck? Or do your states have no emissions test?

 

I don't live in California, but here in Maryland we have to go to emissions test every 2 years, how about you guys?

jrob56 Enthusiast

jrob56

Posted
Posted

How do you guys with no cats go through emissions test with your truck? Or do your states have no emissions test?

 

I don't live in California, but here in Maryland we have to go to emissions test every 2 years, how about you guys?

I still have the stock exhaust on my truck but yeah no emissions in Indiana. I have seen guys in emissions states swap before testing to pass on some vehicles. As I've gotten older though I don't like the smell so I'll be getting headers with cats on my truck.

 

On my cars though, I still go catless for the sound and has to flow better. Don't get driven near as often so not worried about fumes on those.

wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

How do you guys with no cats go through emissions test with your truck? Or do your states have no emissions test?

 

I don't live in California, but here in Maryland we have to go to emissions test every 2 years, how about you guys?

Here's how I see it. Get lucky amd they don't visually inspect or it is not part.of the inspection procedure i their area. Know someone. Some states don't mandate emissions if you drive under a certian amount of miles. I personally went with hi-flow cats. Not worth the hassle for me.

 

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15_silverado Enthusiast

15_silverado

Posted
Posted

Here's how I see it. Get lucky amd they don't visually inspect or it is not part.of the inspection procedure i their area. Know someone. Some states don't mandate emissions if you drive under a certian amount of miles. I personally went with hi-flow cats. Not worth the hassle for me.

 

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So what headers and y pipe do you have?

Did you get any check engine light with your high flow cats?

wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

So what headers and y pipe do you have?

Did you get any check engine light with your high flow cats?

ARH long tube 1 7/8, and ARH hi-flow cats. They come on the Y pipe. Its a whole package the y pipe is only 2 or 3 hundered more.

 

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15_silverado Enthusiast

15_silverado

Posted
Posted

ARH long tube 1 7/8, and ARH hi-flow cats. They come on the Y pipe. Its a whole package the y pipe is only 2 or 3 hundered more.

 

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Did you get any check engine lights with the arh high flow cat y pipe?

wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

ARH long tube 1 7/8, and ARH hi-flow cats. They come on the Y pipe. Its a whole package the y pipe is only 2 or 3 hundered more.

 

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Yes check engine light for sure. The tuner deleted the rear O2's. When he did the custom tune. I will tell you the tune turned my truck into a beast.

 

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wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

Did you get any check engine lights with the arh high flow cat y pipe?

Also it is kinda stinky now. That doesnt bother me. Not horrible but definitely smells more than the factory cats

 

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15_silverado Enthusiast

15_silverado

Posted
Posted

Yes check engine light for sure. The tuner deleted the rear O2's. When he did the custom tune. I will tell you the tune turned my truck into a beast.

 

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Is this the exact setup you have?

Does it look exactly like the one pictured with the clamps on the y pipe?

 

The reason I ask is because I'd like to know, can you easily unbolt the section of the y pipe that runs under the transmission pan only, without having to unbolt the entire y pipe, from the passenger side and from the OEM cat back location?

 

I would like a y pipe that is easy to unbolt from where it runs under the transmission pan, to be able to drop the transmission pan to do a filter/fluid change. Will this work with this arh headers y pipe, and if so with that piece of the y pipe out, would there definitely be enough room to completely drop the transmission pan?

 

Any way you can take a picture of your y pipe connection as it runs under the transmission pan. Thank you.081f59ff99fe23861b2ca0c92d1846f8.jpg

 

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15_silverado Enthusiast

15_silverado

Posted
Posted

Yes check engine light for sure. The tuner deleted the rear O2's. When he did the custom tune. I will tell you the tune turned my truck into a beast.

 

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How long does it take for the check engine light to come on?

 

If I were to clear the code, would I have enough time to run the truck through emissions before the light comes back on?

 

Also did you see my last question about unbolting the y pipe were it runs under the transmission pan? Thanks.

wildlyfe200 Enthusiast

wildlyfe200

Posted
Posted

How long does it take for the check engine light to come on?

 

If I were to clear the code, would I have enough time to run the truck through emissions before the light comes back on?

 

Also did you see my last question about unbolting the y pipe were it runs under the transmission pan? Thanks.

That is the exact set i have. Not sure if you could clear the code for that long and go through emmisions. As far as unbolting the Y-pipe all the bolts are pretty accessible. Another option is O2 stimulators that you could install on the rear O2 sensors. You could possibly leave in the stock cats and switch back to the hi flows for emissions test. To me it would be easier to just get a mailorder tune from blackbear than go through all of that.

 

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