The Ultimate VQ40 Aftermarket Exhaust/Muffler Discussion Thread - Nissan Frontier Forum
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post #1 of 134 (permalink) Old 07-15-2015, 12:18 PM Thread Starter
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The Ultimate VQ40 Aftermarket Exhaust/Muffler Discussion Thread

We already have this thread for sound clips and some discussion.
I wanted to have a dedicated exhaust discussion thread for aftermarket mufflers and catback exhausts.
This topic seems to always pop up here on CF and it would be nice to have one thread to consult for the majority of information.
I'm going to ask the help of the community here so I (we) don't have to do all the work.
Please link in this thread your discussion on aftermarket exhausts if you followed through with one in the past and have an opinion or experience to share here.
I know it may seem redundant to some with the other exhaust thread but my thoughts were about staying current with the new offerings out there as far as aftermarket exhaust setups.

Should you get rid of the dreaded "Y" pipe or not?
If you keep the OEM "Y" pipe what aftermarket muffler works best with that?
Did you replace your "Y" pipe with a Magnaflow or other "Y" pipe?
What full catbacks don't have drone, are there any?
What custom full exhaust set-ups have you had good results with?
Exhaust note and drone factor should be mentioned, the main point of this thread actually, thanks!

Thank you in advance for your help.

To start, I'll post a thread that is current enough and relevant enough and interested me enough to include it in a link here and reason enough to start this new thread.


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Last edited by ToddG; 07-15-2015 at 12:52 PM.
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post #2 of 134 (permalink) Old 07-15-2015, 12:22 PM
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I was actually thinking of doing a write up about all the possible exhaust stuff we can do, and pro/con's of my own personal experience, and anecdotal stuff I have read about other setups. Might be a good place to list out all available headers/exhaust/muffler options, and go from there..

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post #3 of 134 (permalink) Old 07-15-2015, 12:34 PM Thread Starter
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I'd like to keep it stock muffler/exhaust replacement ONLY and not include headers, cats and whatnot in this thread.
The average Joe is not changing out all that jazz for the most part.
This is for the guy/gal just looking to get a new muffler, maybe delete the "Y" pipe, or add a full catback or custom exhaust altogether.

All experiences welcomed of course, but lets not deviate from my proposed path too much please.


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Last edited by ToddG; 07-15-2015 at 12:38 PM.
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post #4 of 134 (permalink) Old 07-15-2015, 12:40 PM Thread Starter
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And now a sticky, discussions can now begin.


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post #5 of 134 (permalink) Old 07-15-2015, 01:41 PM
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Can anyone that has replaced the Y-pipe and muffler with a Flowmaster, Magnaflow, etc comment on how it has affected your ability to tow? I'd like something that is a little louder than stock but I worry about the loss of low end torque. I'll be buying a ~2500lb boat in the near future and don't want to struggle with it.

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post #6 of 134 (permalink) Old 07-15-2015, 01:47 PM
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I have not yet to see a Dual pipe system for the 2 gen trucks. Am i partially blind or is there none?

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post #7 of 134 (permalink) Old 07-15-2015, 02:25 PM
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As of yesterday I installed a Dynomax 19444 on my 2012. I have to say I'm pretty happy with it thus far.
It replaces the nasty y-pipe.
Tone adds aggression but not too much with no discernible drone but it is brand new.
Pipe is aluminized but comes warrantied for life.
The price was right at ~$400CAD
Piping and muffler are tucked higher than the OE and less likely to experience damage while off-roading.
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post #8 of 134 (permalink) Old 07-15-2015, 02:28 PM
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Quote:
Originally Posted by Cleave View Post
Can anyone that has replaced the Y-pipe and muffler with a Flowmaster, Magnaflow, etc comment on how it has affected your ability to tow? I'd like something that is a little louder than stock but I worry about the loss of low end torque. I'll be buying a ~2500lb boat in the near future and don't want to struggle with it.
I towed a 6x12ft Uhaul packed to the brim with furniture, and the truck had no problems over 400miles. Only had Flowmaster Super44, and Ypipe done at the time. You should be pretty safe to not lose low end torque with this...

I have found that you only really lose low end torque once you mess with stuff right off the exhaust manifold (headers, bpipes, cats, etc) Also increasing your pipe diameter will cause a loss of velocity, which in turn causes a loss of scavenging on the cylinders. If you plan on towing, I would keep to 2.25" pipe throughout...

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post #9 of 134 (permalink) Old 07-15-2015, 02:40 PM
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Since Jan 2007 I've had a custom Flowmaster setup with 2.25" dual in/dual out with their 50 series SUV muffler (now called the Super 50 PN 524554). I've never towed anything so I can't say anything about towing performance but right after I had the system welded up I noticed a loss in low end power. Shortly after, I had JET tune my ecu to the mods I had done and gained it all back. I think for my truck the dual in/dual out 2.25" pipes opened it up a bit too much but it sounds great. I think when I redo my exhaust I am going to go with a 2.25" dual in/3" single out muffler or a Y-pipe to a 3" single in/3" single out system to close it up a bit.

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post #10 of 134 (permalink) Old 07-15-2015, 04:27 PM
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Quote:
Originally Posted by ChaosMinionX View Post
I towed a 6x12ft Uhaul packed to the brim with furniture, and the truck had no problems over 400miles. Only had Flowmaster Super44, and Ypipe done at the time. You should be pretty safe to not lose low end torque with this...

I have found that you only really lose low end torque once you mess with stuff right off the exhaust manifold (headers, bpipes, cats, etc) Also increasing your pipe diameter will cause a loss of velocity, which in turn causes a loss of scavenging on the cylinders. If you plan on towing, I would keep to 2.25" pipe throughout...
Good to hear & thanks for the input. Would definitely be sticking with 2.25" pipe if I do decide to make a change.

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