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Discussion Starter · #1 ·
I'm starting to build the exhaust for my truck this week. It's going to have a 2.5" custom made Y-pipe utilizing the magnaflow piece shown. The muffler is a copy of a flowmaster single chamber 3" also shown below. Apparently it's built exactly the same but costs half the price. It will have a single 3" output in front of the rear tire. If it turns out to be too loud I'll add a resonator but I doubt it will be too loud for me. The parts should be here within a week. I'll post pics and sound clips when I'm done fabricating it.



 

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Discussion Starter · #2 ·
Got most of the Y pipe welded up. Just waiting for the Magnaflow part to show up.

 

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Got most of the Y pipe welded up. Just waiting for the Magnaflow part to show up.

That kinda looks like part of my system....but I think your going a different route from there
 

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Discussion Starter · #4 ·
Almost done, just waiting for the 3" turnout to arrive. I just bought a 67 Dodge dart so this will probably be the last mod the Frontier will see for a while.

 

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Ill hafta get a video and post mine up.
2001 se 2.4
stock into 40 series flowmaster 2.5 in offset 2.5 out
with 2.5" pipe out the rear on a 45 degree w a 3" tip
about $150.00 all together
 

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Discussion Starter · #6 ·
Wow, this muffler is way too loud!! I ran the truck without the Y-pipe hooked up and it sounds the same as when it is hooked up. Ordering a flowmaster 40 right now.
 

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I moved these posts from the Exhaust Sound / Video Clips!!! thread to their own thread because none of these posts contain an exhaust sound-clip or video.
 

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Discussion Starter · #9 ·
I got the Flowmaster 40 welded up along with the 3" turnout. Put on a 3" stainless tip that has baffles similar to a straight through glasspack. Just need to weld on some hangers and give it a coat of high temp black paint.

 

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Pretty sweet dude. We could have saved you some time/$ had you asked about the 10 series, but ya live and learn. Its all about the fun any way!

Ive had a 2.5"in-3"out flowmaster 50ser that was retarded loud (before my highflow cats).

Old exh & piecing together my old stainless 2.5" Magnaflow 22" (which was too loud after highflows)



I love your latest setup w/ the 40 series. I wish I could run that again, but with all the driving I do its just not feasible!

Here's my latest setup this isn't obnoxiously loud (with my 2.25" highflow cat setup)

Its just a pic of the muffler since its my old tubing setup with a muffler swap.
Hybrid 40series+50series welded together @ the case ends:



Post some vid man!
 

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Discussion Starter · #14 ·
It exits right in front of the rear tire. Without the baffled tip it was pretty loud but the tip made quite a difference. Right now i"m happy with the sound level and love how it sounds at idle. Will do my best to get some installed pics and sound clips up this weekend.
 

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Discussion Starter · #15 ·
I love your latest setup w/ the 40 series. I wish I could run that again, but with all the driving I do its just not feasible!
I'm loving the way it sounds right now. I'm not sure if the resonator tip will slowly lose it's packing and get louder. I'm gonna drive it like this for a couple weeks and if it gets annoying I might add some resonators before the muffler. Have you ever tried this? Seems like they are usually placed after the muffler but I don't have room after.
 

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Discussion Starter · #16 ·
Picture of where it exits.

 

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Can someone explain to me why you want the exhaust to exit before the rear tire? Is it an off-road thing? :confused:
I don't believe there is a performance gain and no matter the muffler, I think the sound is going to be obnoxious when the muffler is too close to the exhaust tip. I recall driving up to Tahoe next too Jeeps heading to the Rubicon trail with exhausts exiting before the rear tire and just thinking "Damn that sounds like Sh!t" and they are gonna have serious headaches once they get there.

Now, I'm not hatin' just curious. So holster the flame throwers.:)
 

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Have you ever tried this? Seems like they are usually placed after the muffler but I don't have room after.
Yeah I'm currently running one right now, but this one is short. It doesn't seem to make a crap bit of difference to cut down on tone/volume/resonance, but again it is short. I'm sure if you can a 12" resonator it would 'work'! I do not see a reason why you could not run the resonator before the muffler, aside from it changing the sound of the engine before it hits the muffler (you really wont notice a difference).

Judging by your pic, you should be able to use two 12" resonators before the y-pipe.

Not too sure what exactly you're going for in the exhaust setup but a couple things I have figured out with exhaust on our trucks:
-Combating noise is a PITA compared to American vehicles, damn ricer :p
-More bends reduce noise volume (cut flow, but its worth the trade off with an angry bumble bee under the hood)
-More tubing = somewhat less noise
-More muffler &/or More baffles = less rice

Good luck man. let us know what you come up with!

Can someone explain to me why you want the exhaust to exit before the rear tire? Is it an off-road thing? :confused:
I don't believe there is a performance gain and no matter the muffler, I think the sound is going to be obnoxious when the muffler is too close to the exhaust tip. I recall driving up to Tahoe next too Jeeps heading to the Rubicon trail with exhausts exiting before the rear tire and just thinking "Damn that sounds like Sh!t" and they are gonna have serious headaches once they get there.

Now, I'm not hatin' just curious. So holster the flame throwers.:)
Its easier to build the first go round, trust me. The noise is... Impressive at that. Especially passing or overtaking another vehicle. They just look at you with their jaws on the ground! :laugh:
 

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I am sure most people do that to you just walking down the street Colton! :laugh::):nana:
I guess thats what happens when you're taller than 90% of the population in South Texas :laugh::nana::laugh:
 
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