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-   -   DIY/How-to: How/What fuse to pull for NPP (Dual mode exhaust) (http://www.camaro5.com/forums/showthread.php?t=268970)

FINALLYSATISFIED 01-03-2013 08:31 PM

DIY/How-to: How/What fuse to pull for NPP (Dual mode exhaust)
 
8 Attachment(s)
Ok there seems to be some slight confusion as to what fuse to pull for the NPP exhaust modification. My intention is to clear up any confusion. I didn't take alot of pictures but I will take some more tomorrow and update certain areas to make this as painful as possible for those that will be attempting to do this. Install literally took 15mins and thats including fastening the cargo net plastic pieces. The vehicle used was a 2013 2SS/RS 1LE. For those wondering about pulling an engine code, you should not worry. I have not pulled a code thus far and haven't heard of anyone doing so. You only have to pull the fuse, do not pull the relay. This is only for the 2013 Camaro equipped with the NPP (Dual-mode exhaust) and or the 2012+ Chevrolet Camaro ZL1 which are equipped with NPP.

Install/Uninstall Estimate:
10-15mins or less

Tools
Flashlight (if neccessary)
Fuse puller (if neccessary)
Trim tool (if neccessary)

Location:
Fuse box is located in the trunk on the right side (passenger) behind the carpet panel. The fuse box is located behind the red square.
Attachment 458550



If needed there is a fuse puller located in the fuse box which is located underneath the hood. The fuse box is outlined in red.
Attachment 458265

1. Unfasten (1) flat black plastic revit
Attachment 458546
Attachment 458250

2. Unfasten (6) black plastic cargo net screws
Attachment 458547
Attachment 458251

3. Simply pull back the carpet to access the fuse box located in the trunk on the passenger side. Use a flash light if too dark.
Attachment 458269

4. Open the fuse box and locate F8. It should read "EXH FLAP" 10a. Pull the fuse with the fuse puller(located underneath the hood on the left side) if needed.
Attachment 458253

5. Now simply repeat steps 1-4 in reverse order to put everything back together. If you want to go back to stock, simply put the F8 fuse back in.

6. With the F8 fuse being pulled now the exhaust flaps will stay open, at any RPM and/or gear. You'll now witness the sound of god at any given time. :cry:

I hope this clears up some confusion on what to do and which fuse to pull. Any questions please feel free to ask, I can try and help the best way I can. Keep in mind also your stock 2013 Camaro with NPP, the exhaust flaps will stay open at idle/start up. This mod is only makes the flaps stay open all the time.

SS2-1LE 01-03-2013 08:42 PM

Any vids of the exhaust note!!

FINALLYSATISFIED 01-03-2013 08:45 PM

Quote:

Originally Posted by SS2-1LE (Post 5988245)
Any vids of the exhaust note!!

I do not have any unfortunately. I just did this mod after work, then went to the gym. I will record a clip tomorrow!

slick rick 01-03-2013 10:24 PM

Will you notice a sound difference at start up without the fuse? I thought the valves/flaps were already open during startup with the fuse in.

FINALLYSATISFIED 01-03-2013 10:32 PM

Quote:

Originally Posted by slick rick (Post 5988717)
Will you notice a sound difference at start up without the fuse? I thought the valves/flaps were already open during startup with the fuse in.

To be honest I did not notice it at start up. I do notice it everytime my foot hits the pedal. Accelerating and deaceleration is when I also hear it. You'll have no regrets if you decide to do it. And if you want the values to have normal operation all you have to do is put the fuse back in.

FINALLYSATISFIED 01-04-2013 06:55 PM

Added some addtional pictures to clear up some confusion! Hope this helps out anyone in question. :)

Iroc2430 01-05-2013 12:59 PM

I'm trying this today!

Iroc2430 01-05-2013 01:58 PM

The 2010 2SS/RS/M6 does not have that fuse. Opened up the compartment and F8 is blank and reads spare. Might just be for the 2013.

mlee 01-05-2013 02:11 PM

You might want to edit #5. Pulling the fuse does not change the tone after you start your car.

The flap is always open at startup at idle so the fuse pull makes no difference.

NEVRL8 01-05-2013 02:43 PM

Quote:

Originally Posted by Iroc2430 (Post 5994939)
The 2010 2SS/RS/M6 does not have that fuse. Opened up the compartment and F8 is blank and reads spare. Might just be for the 2013.

Yes only for the 2013 with NPP exhaust.

FINALLYSATISFIED 01-05-2013 03:17 PM

Quote:

Originally Posted by mlee (Post 5994989)
You might want to edit #5. Pulling the fuse does not change the tone after you start your car.

The flap is always open at startup at idle so the fuse pull makes no difference.

Fixed.

Quote:

Originally Posted by NEVRL8 (Post 5995075)
Yes only for the 2013 with NPP exhaust.

Yes.

ROD_SS 01-05-2013 04:59 PM

Just did this mod after I read youe thread.

ROD_SS 01-05-2013 05:19 PM

Acceleration seem to be a lot better. I would like someome else to chime in. The butt dyno feels good!

FINALLYSATISFIED 01-05-2013 05:23 PM

Quote:

Originally Posted by ROD_SS (Post 5995504)
Just did this mod after I read youe thread.

:thumbup:

NEVRL8 01-05-2013 06:00 PM

I also decided to try this out after seeing this post. I did it on my Vette I had but forgot about this mod when I bought the Camaro. I'm bout to go for a drive I'll report back what I think about this mod shortly.

shawn18 01-05-2013 06:02 PM

My son and I did it today......Love it!

FINALLYSATISFIED 01-05-2013 06:07 PM

Quote:

Originally Posted by shawn18 (Post 5995672)
My son and I did it today......Love it!

:thumbsup:

You know, if it wasn't for you I wouldn't have a BRM 1LE. I saw your car and then my mind changed from a SW to a BRM. :rolleyes:

shawn18 01-05-2013 06:09 PM

Quote:

Originally Posted by MY1STCAMAR0 (Post 5995683)
:thumbsup:

You know, if it wasn't for you I wouldn't have a BRM 1LE. I saw your car and then my mind changed from a SW to a BRM. :rolleyes:

Glad I could help,,LoL .... I love this color:thumbsup:

FINALLYSATISFIED 01-05-2013 06:30 PM

Quote:

Originally Posted by shawn18 (Post 5995691)
Glad I could help,,LoL .... I love this color:thumbsup:

Yeah it's growing on me, lol. Can't wait til spring/summer. Sunlight really captures it.

shawn18 01-05-2013 06:32 PM

Quote:

Originally Posted by MY1STCAMAR0 (Post 5995765)
Yeah it's growing on me, lol. Can't wait til spring/summer. Sunlight really captures it.

Yep....It looks pretty cool in the sunlight.

FINALLYSATISFIED 01-05-2013 06:33 PM

Quote:

Originally Posted by NEVRL8 (Post 5995666)
I also decided to try this out after seeing this post. I did it on my Vette I had but forgot about this mod when I bought the Camaro. I'm bout to go for a drive I'll report back what I think about this mod shortly.

Let us know! :headbang:

NEVRL8 01-05-2013 06:51 PM

OK, just got back from a drive after the fuse pull. Definately sounds better when accelerating, might seem to accelerate a little smoother also. No drone in sixth gear at 70 even when going up or down hills at speed. Kinda reminds me of my Corsa cat back on my Challenger. It sounds good all the time but really screams when you put your foot in it, but it's never too loud. Also before the fuse pull when you would rev the throttle in nuetral or reving it with the clutch in it would seem to get quieter. I assume because the vacum was closing the valves at certain rpm. Now you can rev and it sounds amazing. My vette had drone on the highway at speed after this mod, The Camaro doesn't so far. MUST DO MOD!! Thanks for reminding me MY1STCAMARO!

FINALLYSATISFIED 01-05-2013 08:09 PM

Quote:

Originally Posted by NEVRL8 (Post 5995826)
OK, just got back from a drive after the fuse pull. Definately sounds better when accelerating, might seem to accelerate a little smoother also. No drone in sixth gear at 70 even when going up or down hills at speed. Kinda reminds me of my Corsa cat back on my Challenger. It sounds good all the time but really screams when you put your foot in it, but it's never too loud. Also before the fuse pull when you would rev the throttle in nuetral or reving it with the clutch in it would seem to get quieter. I assume because the vacum was closing the valves at certain rpm. Now you can rev and it sounds amazing. My vette had drone on the highway at speed after this mod, The Camaro doesn't so far. MUST DO MOD!! Thanks for reminding me MY1STCAMARO!

:thumbup:

Mouse6.2 01-06-2013 06:14 PM

I'll have to accomplish this mod tomorrow. Been raining all day today here in eastern NC.

BigBlock69RS 01-06-2013 06:21 PM

Quote:

Originally Posted by ROD_SS (Post 5995504)
Just did this mod after I read youe thread.

Same, very useful thread. Thanks!


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