I have done my research but still need a bit of info. Right now my car has all 4 cats and a custom made h-pipe that is really close to the same specs as the GT as far as where the cross over point is at.

I am wanting to put Magnapacks on it. (I heard the y-pipe kit - actually rode in a car with it - and liked it because it is really aggressive when you step on it but normal driving it isn't too bad). Plus a big thing for me is that everyone has MAC's and Flowmaster (I considered going to Mac's or a different Flowmaster) but decided I want different.

My question is with the setup I have will it sound the same as in the y-pipe kit? I talked a few weeks ago with a Magnaflow tech guy that said as long as I keep the 4 converters and the h-pipe there will be minimal difference.

(Biggest difference being that in a true dual with an h-pipe it will be louder and a bit more aggressive). I have talked with several muffler shops and they all are saying about the same thing. One guy said he actually did this exact same setup and it sounded really nice and a lot better than what he thought. It was quieter at idle and cruising and quite aggressive when at WOT.

What do you think - sound about right?

 

yeah, it will sound essentially the same as the y-pipe kit.

 

Hey,

Thanks for the reply. What do you think would be different? Just thought I would pick your brain.

 

what would be different in your set-up vs the y-pipe? Just the overall tone, because you have the h-pipe it should definitely have a bit deeper tone(more muscley gurgle sound) and probably a tad louder.

 

That last part was what I was wondering. I think overall I will be happy with it. Now its just setting back and waiting till I have enough money to work with.

 

+1

I put a pypes h-pipe adaptor on my old 3.8L and then got magnaflow (regular) and the car sounded excellent. wish i had a clip to show you. the guy that installed it said it sounded the closest to a V8 that he's ever heard a sixer get.

 

Yep it will just be deeper and sound better then a Y.

 

Ok guys so what would you do if it was yours? Regulars or Magnapacks?

I finally found a clip of an h-pipe setup and regular Mags - engineman312 is this what yours sounded like - http://www.youtube.com/watch?v=uzX0vtUGq24

^ In the title it says Magnapacks but they actually Regulars.

Here is what it would be if I went O/R X later on which I might do once I build up the engine - http://www.youtube.com/watch?v=9Wf1T...eature=related

Basically what I am thinking now after hearing these is the fact that I am probably most likely better off with the Regulars! I am at this point a little hesitant - not by what you guys said but in the fact that the regulars sound better over all and in a dual setup with an H-Pipe it wouldn't be extremely loud but would sound really awesome - overall and still be decently loud when I want it!

 

can't see youtube videos at work... will see them tomorrow.

 

Sorry to revive an old thread but was curious about something. I have made my decision on Magnaflow mufflers. I am getting them.

The part I am curious about is I went out today to price them at the place that did the original H-pipe duals (which, they did an excellent job) so I figured that it is worth going back.

Anyway the guy that actually put on my duals was working the counter waited on me and quoted me a price which was very out of my price range for now and then he talked me into looking at another muffler. It is the exact same muffler as a Magnaflow with absolutely no difference. He had two Magnaflows and two of these mufflers side by side. Two of them were a whole muffler and two were split in half so that you can see the inside. I was amazed at the quailty comparison of both. The knockoff Magnaflow looked better constructed inside and out than the real thing.

The seams of both mufflers were fitted nicely although the knockoff was welded better and the packing inside was the exact same in feel and color. Then he took me outside to hear them on his car. He asked me if I had ever heard a GT with an O/R X-pipe and Magnaflows before and I said yeah. He then started it up and it sounded amazing and the exact same as a Magnaflow with no difference what so ever. He said he had them on for approx 2 years with no failures what so ever, problems or changes in sound.

The only real difference is they don't say Magnaflow and they are half the cost. They have real Magnaflows for $90.00 or these for $44.95 a piece and the cost difference alone with the install is half of the real thing and since I have my Mom helping me out I can get it done in the next month or so.

He said he guaranteed I would be happy with them.

What do you guys think?

 

go for it. Considering you were able to hear them on the car and see the cutaways of them I see no reason not to get the cheaper version.

 

Its a straight threw muffler, not much that can go wrong there. If you wanna save some cash I would go for it.

 

What was the name of the muffler? I was thinking about Magnaflows for my car, but this sounds like a good alternative.

 

Hey guys I found the muffler - Racepartsdirect is selling them online. This is the exact same muffler as the one I would be getting in the attached pic.

Here is the description:

These Flowsound II performance mufflers are designed to give you more power and provide excellent sound. They feature a large-diameter, perforated stainless steel core and a straight-through design for unrestricted flow. They also have a stainless steel mesh for sound control, and all-welded, lap-jointed contacts to avoid distortion or cracking at the seams.

Features:







Single Chamber Race Muffler

• 409 Stainless steel outer shell
• Internal Construction made from Perforated stainless tube with packing
• 409 Stainless steel necks
• 100% Mig welded for extra durability
• Maximum flow and power gains
• Durable & Economical

OUT-PERFORMS! OUT LASTS! OUT-SOUNDS!

Dimensions 4"x9" Oval, 14" Body, 20" Overall

They are both made and constructed the same way.

Picture on the Left is the real Magnaflow and the one on the Right is the knockoff. The one on the right looks identical to the one on the left in person (except there weren't polished stainless they were the satin stainless).