NRP EXhaust Install Instructions and/or pics - Defender Source
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  #1  
Old August 22nd, 2014, 09:19 AM
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NRP EXhaust Install Instructions and/or pics

Having a nightmare install of my new NRP exhaust. The fitment seems to be off and the instructions Rovers North sent are a joke. 3 pictures and about 4 sentences. If anyone has better instructions, pics of their installed NRP, or is in the NOVA area and will let me come take a look at yours I'd greatly appreciate it.
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  #2  
Old August 22nd, 2014, 09:23 AM
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Had similar issues on both of mine. Where are you getting hung up?
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  #3  
Old August 22nd, 2014, 09:28 AM
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Bill Adams
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The Y pipe fitment alone will knock ten years off your life. Frankly it is one of the worst purchases I ever made. I keep moving it from truck to truck tho. It has lasted thru three so far and will go on the Texas truck when I get it here.
What exactly is the issue?
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  #4  
Old August 22nd, 2014, 09:29 AM
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If your getting hung up on the rear pipe try removing the rear wheel and dropping the suspension. That should give you enough room to clear everything back there
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  #5  
Old August 22nd, 2014, 09:31 AM
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I put one on a customer 4.6 110 last winter. Used a stock y pipe but otherwise it was pretty straight forward. I remember I wasn't thrilled with the fit.
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  #6  
Old August 22nd, 2014, 09:42 AM
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Lee
1994 D90 ST
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Not sure if RN redesigned the NRP exhaust for the 90, but my very old NRP exhaust fit perfectly. The mechanic even removed it when he installed a new magnaflow y-pipe on my 90 a number of months ago. By the way it sound good. On page 4 of 4 of your pic (other thread) the resonator should not touch the rear wheel/tire, so you should be able to snake the exhaust properly underneath the gas tank and the resonator should come out straight. See photos
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  #7  
Old August 22nd, 2014, 09:52 AM
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Quote:
Originally Posted by lordhelemt View Post
Had similar issues on both of mine. Where are you getting hung up?
Quote:
Originally Posted by o2batsea View Post
The Y pipe fitment alone will knock ten years off your life. Frankly it is one of the worst purchases I ever made. I keep moving it from truck to truck tho. It has lasted thru three so far and will go on the Texas truck when I get it here. What exactly is the issue?
The main issue is I cannot get any clearance between the rear wheel and the resonator and still get everything to line up back at the muffler.
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  #8  
Old August 22nd, 2014, 11:37 AM
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Attached sample photo
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  #9  
Old August 22nd, 2014, 11:46 AM
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For what its worth, changing Y-pipes will not make a bit of difference. I just replaced an OEM Y-pipe with the Magnaflow and the connection to the exhaust was in the exact same place.
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  #10  
Old August 22nd, 2014, 12:08 PM
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Quote:
Originally Posted by down_shift View Post
For what its worth, changing Y-pipes will not make a bit of difference. I just replaced an OEM Y-pipe with the Magnaflow and the connection to the exhaust was in the exact same place.
Good to know Russel. I was starting to question whether that could be part of the issue as well.

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Thanks Lee
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  #11  
Old August 22nd, 2014, 06:05 PM
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I got it in finally, and although a very frustrating process, I'm Very happy with the sound, or lack thereof. Still has a growl, but no more drone! Thanks for the help guys!
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  #12  
Old August 22nd, 2014, 06:39 PM
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woohoo, nice!
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  #13  
Old August 22nd, 2014, 06:41 PM
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Quote:
Originally Posted by blaughva View Post
I got it in finally, and although a very frustrating process, I'm Very happy with the sound, or lack thereof. Still has a growl, but no more drone! Thanks for the help guys!
pics?
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  #14  
Old August 23rd, 2014, 08:43 PM
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Installed an NRP on NAS 93 D110 last Saturday. Longest part of the job was cutting off the pile of rust that was on from new. Only problem I had was fishing the rear piece through. I had to jack up the body using a Hi-Lift in the trailer hitch receiver. Sounds great.
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  #15  
Old August 23rd, 2014, 09:06 PM
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Exhausts don't go on unless the back is jacked up.
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  #16  
Old August 24th, 2014, 06:49 AM
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Ok Brad, you know what I'm gonna ask...


Video? With Dolby surround sound please.
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  #17  
Old August 25th, 2014, 09:53 AM
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Quote:
Originally Posted by rankar View Post
Ok Brad, you know what I'm gonna ask...


Video? With Dolby surround sound please.
Before with the Magnaflow and then after with the NRP
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  #18  
Old October 24th, 2015, 03:13 PM
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Kevin Keith
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Thread resurrection....

I'm having issues with my NRP install. It's on a RRC w/ 3.5 but I think the Ypipe is the same for most V8s & models. I'm actually replacing a 15 yr old NRP system which fit fine on both RRC.

Currently I can not get the Y pipe to line up. Got it in place & the left side landed perfect on the manifold. Put nuts on loose & went to the right side. Could not get the studs to drop in the holes. Felt like the top of the Y had to rotate counter clockwise when looking down on it.

I on bolted the left side & still could not get it. Dropped the right manifold & attached to Y and it fits. Now I can't get the manifold back on. The rear of the manifold is against the head & the front is about an inch or more away.

If it matters, the Y is not attached to the rear section.

I'm stumped!..... and having a bourbon.

Thanks in advance.
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  #19  
Old October 24th, 2015, 03:55 PM
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Tried again but the manifold still will not line up cause the cat hits the frame rail and if it did then the left side will be off. I thought I could force it but it's not looking good.
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  #20  
Old October 24th, 2015, 05:18 PM
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Brett Fritzler
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I'd get all those manifold bolts threaded in about 75%. Then offer up the Y-pipe and make the connection at the downpipe. Maybe use a ratchet strap ro gently squeeze the Y-pipe if needed.
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