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04 gtp catback

Porach

New member
Trying to decide on a good exhaust this time instead of getting a custom exhaust that i redid twice and paid over 200 each time. I need a idea on which cat back i should get. I already have headers, smaller pulleys, and supporting mods.

I want to get a more expensive catback so it will sound 10x better, and get better flow. My first catback i got when it was stock was 2.5 inch straight pipes that didnt sound very nice. then after i did all my mods the shop put together some crap my friend talked me into getting even want. Which i had a res and muffles. But when i went to the track my y pipe popped off so i have to cut that into pieces so i could get it into the car. And ive been running open headers for a few days now till i get my engine rebuilt.

So now im looking around at catbacks and zzp has a nice stainless steel 3 inch with magnaflow mufflers on it. Or i could get the slp but its only a 2.5. Need some opinions on what i should get before dropping like 700 on a catback.
 


Ill have about 450 flywheel hp when im done building my engine. And most muffler shop wont touch my car because im not running a cat on it
 
The universal borla mufflers are +200 per muffler and it would cost around 300 for someone to make me a 2.5 or a 3inch catback. And the shops dont do stainless steel. But if i get it from zzp it would be the same price but for a stainless steel catback
 


Catbacks are worthless really.

Said setup for 400HP?

Just get a Dynomax Stainless Steel catback...pretty sure they are cheap.
 


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