AAM Competition Short Tail Exhaust DIY
 

Just got the Shorty Tails from UPS today, install took me over an hour, it was snowing a little and it was hella cold, typically it shouldn't take that long at all.

No one wrote one up yet, I guess it's because this is such an easy install.. But oh well, in case someone wants a picture of how it's done, I have one.

Tools needed:

Sockets: 10mm, 12mm, 14mm
Wrenches: 10mm, 12mm, 14mm (Some places are hard to reach without wrenches)
Breaker bar: Helps out a lot.



The exhausts are nicely packed by AAM, they provided the bolts, but I didn't use them because I was too lazy to remove the original ones rusted on the pipes.

http://www.the370z.com/members/leeye...e44576-box.jpg


Next is to get your Z up in the air somehow, I personally used ramps.

http://www.the370z.com/members/leeye...44579-ramp.jpg


Remove the following bolts:

http://www.the370z.com/members/leeye...580-remove.jpg


The muffler is held on by 3 of the rubber things (don't know what they are called), you must remove the 3 bolts on all of them, except the 3rd one has 1 bolt.

Here is a picture of them when the muffler is out.

http://www.the370z.com/members/leeye...2-dsc-5944.jpg


Picture when the muffler is still on the car, hard to get the shot...

http://www.the370z.com/members/leeye...1-dsc-5939.jpg


Third one...

http://www.the370z.com/members/leeye...3-dsc-5941.jpg


Now you should be able to remove the muffler without much trouble. With the help from a friend would be nice, but I did it on my own from behind the bumper, NOT under the car.

You will need to remove the rubber holding on to the muffler. I didn't know if there was a easier way, but I kinda just forced them out and then I forced them into the Short Tails.

http://www.the370z.com/members/leeye...4-dsc-5946.jpg


Bolt them back on to the car, then you are done!

http://www.the370z.com/members/leeye...5-dsc-5945.jpg


http://www.the370z.com/members/leeye...6-dsc-5949.jpg

thats cool! does it add power?

i would imaine that i've lost some lower end torque due to the lack of back pressure. its really just for the amazing sound than power gain lol

How do you like the sound now?

loving it!!! Very deep throaty sound below ~3500rpm, and super race car like high pitch above ~4500rpm. Between 3500 and 4500 omg drone lol

Just got mine installed and holy crap its loud as hell!!!! I hope it tones down a bit over time or.I'm going back to stock lol.

thank you for the write up!!


don't forget to add the removal of the emission canister heat shield, held on by 3 10mm bolts

this will need to come off for perfect fitment! A lot of people contacting me about fitment issues, and they skip this step. After the removal of the heat shield, everything will fit the way it should!

Yah I removed it. Forgot to add it on here lol

Sent from my SAMSUNG-SGH-I717

I found that a propylene or propane torch is needed, I had 12.5K miles when I installed and I couldn't crack them without some good heat cycling.

I didn't even know a DIY existed, I thought it was simple enough to understand (no offense).

FYI, the rubber things are exhaust hangers.

They will not get any quieter, you will simply get used to them or go deaf like I have. They do drone quite a bit at cruising RPMs (2500-4000). I noticed mine seemed to change, since it feels like it drones more at 3250 or so until 4000.

Well there are even diys for removing bumpers, changing doom lights so i figured why not.

Sent from my SAMSUNG-SGH-I717

just got mine 3 days ago! LOVE THE SOUND! :worship: lol

Thanks for the DIY man! Was hoping someone would post something about this. I just ordered mine! Should be coming sometime next week. On a 1-10, how loud would u rate it as

9.5, LOOOOL!!!
The drone is KILLER...

11 with test pipes!

I haven't really noticed a drone unless im cruising at 100 in 6th gear (44-4700 RPM's). If you drive in a typical fashion using all your gears correctly you shouldn't get a drone.

I do have a backpack and gym bag in the back almost all the time soo...

for me:

Pros:
Awesome sounds
very mild when at idle. cant tell its not muffled
LOVE the burble when in a lower gear and let of the gas

Cons:
LOSS if torque at take off (has made me want to put the muffler back on)
Price - Went to a local shop in town and had them make the same set up for almost half the cost. (sorry AAM, i have used several of your products on my 350 back i the day and very well made)

how much power lose can you feel? is that power lose just when taking off?
what about highway?
sorry for so many questions:)

The low end is where you feel it. I dont have any numbers its more a butt dyno feeling you will read other people that say they feel the low end torque is weak after this mod. I took it in to get an UpRev and its back to what it was before cutting off the old muffler.

if your over 3500 RPM's it has the same power, again, butt dyno.

Yeah i'm going to get this piece for now, then save up a bit more and jump
into the AAM S-line mid pipes. Seems to be a great combo and keeping the same sound.

Anybody have a sound clip?

they are all over youtube! :) search aam 370z short tails

whp & wtq gains?

AAM Competition - Nissan GT-R, 370Z Turbo Performance Specialists

22whp and 20lbs. This is with both Shorty + Mid pipe. I think this is an awesome bundle

Just installed mine and I knew that thing had to come off.. Damn!

Hey quick question what heat shields need to be removed and also can we use the stock bolts for this or need new ones?

Urgh. Installed mine few days ago. Same rattling issue...did not know about heat shields. What do I do now?

Sent from my SM-G920T using Tapatalk

Yes don't forget. Very bad drone if you do.

Thanks for the guide, I have 2 questions

1. You did not mention anything regarding the gaskets, did you just re-use the stock gaskets or did you use some sealant etc?

2. How tight do you torque the bolts? Is it possible to over tighten these?