Well I have test pipes so w/o the muffler and w/ those tips its loud as all hell

i just got the muffler delete today and i have stock cats and it is extremely loud i knew it would be loud but i never knew that it would make that big a difference im still young so i love it for now haha and its sounds so strong

is this of legal sound limit?

Most likely NO when you read the statutes. However, my father-in-law is a cop and he heard the car. Said it sounded great and couldn't imagine I'd have problems. He also mentioned I could just insist that it's how the car normally sounds from the factory...nothing was modified. He's a city cop though, so he may be more forgiving than the small town cops.

I just did this today and it is LOUD. once im up to speed cruising at 45 and 60 mph i dont feel like theres much drone at all. anyways im hoping this is just a quick fix till i can afford a full system. :happydance:

While a full system is much more refined and liveable, I guarantee you'll miss the sound of the delete!

Just an update. I added HFCs to my Stillen catback and it's really brought back some of the thrill of the muffler delete while still being completely 'liveable'. The only thing it doesn't match is the off-throttle burble that the muffler delete has.

just saw this vid on youtube too

I tried this the other day and the sound was surprisingly quiet! It was just a tad louder than the Spoon exhaust on my old RSX, which by many peoples standards is very loud. It was a pleasure to actually be able to hear the car with the music volume up. Stock wise, any time the music is above just barley audible, you can hardly hear the car. It convinced me away from the Nismo catback to the F.I. instead.

that's me :tup:

surprisingly sounds pretty good :tup:

So if I knew a place that woul delete my stock mufflers for $80, would ya'll say go for it?

Like just deleting and not getting any pipes? Its easy to get off by yourself. The hardest partis just getting it off the hangers which takes only some elbow grease.

Save your cash and DIY:tup:

no, i mean, theyll weld pipes in the space the muffler was in

Weld the pipes onto the stock pipes? No thats not good. Have them make flanges like the OP did. You never want them to weld pipes onto the stock mid pipes..

oh ok...i understand lol

sorry to bring up an old thread! but quick question..
im just wondering for general knowledge of our car, when you guys removed your mufflers did you lose torque as you lost back pressure? or do the stock cats create enough back pressure that the loss is minuscule?
if this is true, would that mean adding test pipes or high flow cats to a muffler delete setup would actually lose torque as there is virtually zero back pressure throughout the exhaust?

Hence why we call it the silencer in UK and not muffler. Sounds good though.

Muffler delete - High Quality sounds and video!
 

I have seen many videos of guys doing Muffler deletes, and honestly, none of the videos do justice to the sound the car actually produces.

So, me being the nice guy, I recorded some high quality sounds and video of my muffler deleted Z while stalling and while driving. Shifting up, down, you name it.

Check out the video and leave a comment if you liked it:

https://www.youtube.com/watch?v=IW4UUuzAcPk

Final verdict of do or dont: If you are poor like me and cant afford a decent exhaust system, DO IT! You wont regret it. It's as close to the real thing as it gets.

I am assuming this can be done but I figure I would ask. Has anyone used the stock muffler for parts? In other words, can the muffler be cut off and the flanges and exhaust tips be reused? I am assuming they can be; just want to make sure I don't need to buy my own tips. Anyone know what the size of the stock piping is? My Z is in storage so I can't measure it myself.

@Ewrjontan that is exactly what I had done the first time: cut out the exhaust tips and weld it to the end of straight pipes because I couldnt find exhaust tips to match my Z tips, and they were too expensive when I found one.

Be careful though, because:
1) You will be ruining a pretty good muffler
2) You would at some point want to put it back to stock either for Registration inspection or for Z re-sale, and at that time, you would have to re-weld and it's not very pretty.

Here's what I suggest: Get a set of cheap tips (either Z or Mustangs) and use them to create brand new pipes. Leave the stock muffler as it is so that whenever you want to put it back, you just have to unscrew 4 bolts and voila!

Hope this helps man!

Thanks for the info. The stock muffler isn't really going to sell for much and that's if I can even sell it; honestly, if I were to not use it for parts, it would just sit in the garage forever or get thrown out. I don't plan on putting it back nor do I need it for inspection/emissions where I am at. Good to know that the tips are useable :D I appreciate the info.

The stock muffler piping is 2.25 inches in diameter. Did you use the same size piping or did you increase it? The AAM short tails is 2.5" so I was considering going with that.

I meant reselling the Z not the muffler lol.
Good to know you live in a place where they arent so uptight on the inspection.

I welded whatever pipes were available and they were a little bigger, so I'm guessing they were 2.5". I think the AAMs would be just perfect. Let me know how you like the sound once you are done!

Ahh gotcha. Yeah that makes sense.