Looking turn up the exhaust sound on my D1 V8

slowfiveo

slowfiveo

Well-known member
Jun 26, 2014
107
0
39
Elizabethtown
I'm looking to get a more aggressive sound out of my D1. Upon inspection of my undercarriage last week I notice my exhaust is slightly pinched in the turn going to the rear muffler. Since I'm worried this may be causing power loss, I've decided to do something about it, but if I'm going to work on the exhaust I'd like to make it sound better in the process.

I've found old posts on Google and old videos on YouTube with poor sound quality. So, I was wondering if anyone had any up to date suggestions on exhaust mods?
I'm looking to spend the least amount possible. Any video links anyone can provide would be fantastic.

Thanks
 
jymmiejamz

jymmiejamz

Well-known member
Dec 5, 2004
6,010
362
35
Los Angeles, Ca
The cheapest thing would be to cut the rear muffler off and have an exhaust shop weld in a new piece of pipe back there. It will be slightly louder, but not a huge difference.
 
MM3846

MM3846

Well-known member
Feb 18, 2014
1,231
164
LI, NY
I love my magnaflow setup.. Yea, its expensive but I got it dirt cheap used. My buddy's D1 is straight piped with cats and its sounds awesome.. not as loud as you think. It gurgles something mean with the 5 speed.
 
fishEH

fishEH

Well-known member
Jan 26, 2009
6,930
203
Lake Villa, IL
Headers, Magnaflow hi-flow cats and muffler, no rear resonator.
https://youtu.be/uPeSWudeYzw
https://youtu.be/UxpYvpMZC9o

My daily driver D1 has stock everything except I cut the main muffler out and replaced with a length of straight pipe, rear resonator is still in place. Its louder but not too loud, has a drone on the highway but nothing that can't be drowned out easily by bumping the radio volume a bit.
 
Maximumwarp

Maximumwarp

Well-known member
Mar 22, 2015
836
26
Fairburn GA
I straight piped back from the factory cats. I love the sound. I have some videos, but I'd have to text them to you. They aren't on YouTube or anything.
 
slowfiveo

slowfiveo

Well-known member
Jun 26, 2014
107
0
39
Elizabethtown
jymmiejamz said:
The cheapest thing would be to cut the rear muffler off and have an exhaust shop weld in a new piece of pipe back there. It will be slightly louder, but not a huge difference.
Click to expand...
Hmm. Might need something louder. I'll have to experiment with that this weekend.

MM3846 said:
I love my magnaflow setup.. Yea, its expensive but I got it dirt cheap used. My buddy's D1 is straight piped with cats and its sounds awesome.. not as loud as you think. It gurgles something mean with the 5 speed.
Click to expand...
I think we're on the same page. I'd like to keep the cats just so the Disco still functions normally.


fishEH said:
Headers, Magnaflow hi-flow cats and muffler, no rear resonator.
https://youtu.be/uPeSWudeYzw
https://youtu.be/UxpYvpMZC9o

My daily driver D1 has stock everything except I cut the main muffler out and replaced with a length of straight pipe, rear resonator is still in place. Its louder but not too loud, has a drone on the highway but nothing that can't be drowned out easily by bumping the radio volume a bit.
Click to expand...
I don't hate the drone that much. I like to hear the engine. Plus, I still have the stock tape deck. There isn't much bump in my Disco. Haha!


Maximumwarp said:
I straight piped back from the factory cats. I love the sound. I have some videos, but I'd have to text them to you. They aren't on YouTube or anything.
Click to expand...

Can you email me one at Thomasgibson48@yahoo.com? Texting videos kills the quality of the vid.
 
Blue

Blue

Well-known member
Mar 26, 2004
10,080
885
AZ
I picked up a Borla 40664 for my D2 here on dweb. I had already cut off the rear resonator - slightly better sound without the resonator and now with the Borla it sounds pretty good. A bit of a drone under throttle at about 45-55 but then it smooths out.
 
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