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Resonator piping question?

Pokealong1227

Pokealong1227

New member
Okay so first off, the piping connecting to the in/out of the resonator are 2.25" on 97-03 Grand Prix GTs right? Then smaller after the Y? My question is, I want 2.5" all the way from the cat back to the mufflers but don't want to remove the resonator. Would a muffler shop be able to make that work or would they have to do all 2.25"?
 


Why would it take 2 more weeks to get a glass pack? And yes, might as well replace the stock resonator while your up there doing exhaust work, they are prone to rusting out, iirc they are one of the first things to rust out on our exhaust systems.
 
Because I'm 17 and not made of money. I just bought two mufflers, a pair of tips, filled my tank, and have to pay my own insurance and car payments. Think I've just got money laying around to spend on new parts? Haha I've got just enough to get it installed.
 


Trying to sell my home stereo anyways(pointless to have around) so I'll just lower the price and see if I get any offers. what length should I look for.
 
TheOtherNick said:
No point to run 2.5" but if you want 2.5" res back an exhaust shop could easily do it.
Click to expand...

I'm getting 2.5" now so that I won't have to later. I plan to do more work in the future and don't want to have to redo the exhaust if I don't have to. Might as well just replace the resonator now.
 
if you need to wait to buy a glass pack, wait and have all that stuff welded in at the same time.

im guessing you still have all stock pipes and need to have it welded in.


or you could save the shop costs and get a new Y pipe and then have a flange welded to one end of the glass pack and you'll have all new cat back. seem the Y pipes for around a 100.

like this. then you can bolt it right up to the cat pipe.

flange2.jpg



and bolted in.

newresoncar.jpg
 
Now I've seen some people say pick a muffler or glasspack, but not both. I already have new mufflers waiting to be put on. Opinions?
 


you need a resonator or it will sound like crap. glass pack does the same job as a res and a 1/4 the price. google up a walker res for your car, it looks just like the pic i posted above. and it costs 120 bucks.
 
Pokealong1227 said:
Now I've seen some people say pick a muffler or glasspack, but not both. I already have new mufflers waiting to be put on. Opinions?
Click to expand...

nah you can do both.
a glasspack is a resonator, the shorter it is the louder your car will be. since you are already getting aftermarket mufflers, you CAN stick with your stock resonator, or get a 30" resonator to make sure it doesnt drone.
 
ctracer said:
nah you can do both.
a glasspack is a resonator, the shorter it is the louder your car will be. since you are already getting aftermarket mufflers, you CAN stick with your stock resonator, or get a 30" resonator to make sure it doesnt drone.
Click to expand...

Alright, I got flowmaster 40s for now(they were cheap, I had a gift card so they were practically free, and they are temporary, don't hate haha) so I definitely want the most effective resonator possible. I'll look into a 30" glasspack, at least until I have money to get better parts(such as magna or borla).
 


Walker Exhaust 55204 Exhaust Pipe | Frugal Mechanic


thats a list of Y pipes for sale, if you plan on changing the mufflers later, you'll need to get them off and on easy like, welded will be costly in the long run. as your paying two times for the same job.

id get the new Y pipe, a glass pack, get a flange from the local muffler shop, have them weld it on the glass pack. then go home and put your new cat back in. call the glass pack 50 bucks, the flange cost me 10 bucks, and then another 15 i think i paid to have it welded on. so for under 200 you could have a new cat back because you have the mufflers already.

this way you can work on it yourself in the future. takes nothing to drop these exhaust systems.
 
scottydoggs said:
Walker Exhaust 55204 Exhaust Pipe | Frugal Mechanic


thats a list of Y pipes for sale, if you plan on changing the mufflers later, you'll need to get them off and on easy like, welded will be costly in the long run. as your paying two times for the same job.

id get the new Y pipe, a glass pack, get a flange from the local muffler shop, have them weld it on the glass pack. then go home and put your new cat back in. call the glass pack 50 bucks, the flange cost me 10 bucks, and then another 15 i think i paid to have it welded on. so for under 200 you could have a new cat back because you have the mufflers already.

this way you can work on it yourself in the future. takes nothing to drop these exhaust systems.
Click to expand...

So for bassically $510? Throw in another $200 I could've bought a pre-made ready to go cat-back.
 
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