3" exhaust - Performance Forum

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3" exhaust
Friday, May 11, 2007 8:47 AM
I got my Customs tubes 3" put on today....I used a resonator and a muffler w/cutout and its kinda loud through the muffler but I like it and really really loud with the cutout open. My butt dyno feels a little difference but im not sure how much. All I know for sure is that i didnt loose power like everyone is talking about not even down low....in fact she spins the wheels a little better from the start now even with the cutout open. Not sure thats a good thing though. Can't wait to do the head cams and header I think she might be a beast. Well atleast for an auto. I will post pics later.




Re: 3
Friday, May 11, 2007 9:05 AM
Ok here ya go.....I know its a little ugly but thats ok.











Re: 3
Friday, May 11, 2007 9:33 AM
I like. How loud is it tho?
Re: 3
Friday, May 11, 2007 12:47 PM
looks good. You decided not to use a flexpipe or cat?


Re: 3
Friday, May 11, 2007 12:52 PM
vid




Re: 3
Friday, May 11, 2007 12:59 PM
3" on a N/A engine?


we need a vid witha cut out open



Re: 3
Friday, May 11, 2007 1:09 PM
SWEET!!! I have the same 3" exhaust (but with a canister muffler)...... I dont have it on yet, for one simple reason...... WAY TO LOUD (w/o the turbo on there).

As for loosing Trq, ask Jason McElvey....... He's got the same exhaust on his N/A (for now) Z24.




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

Re: 3
Friday, May 11, 2007 2:12 PM
I love your car! Thats a nice setup, it will scream once you get the head and cams in.

You gona have shop make your downpipe for your lsj header?



Re: 3
Friday, May 11, 2007 3:44 PM
I hope you like your exhaust. Only thing I would change is get mine made from stainless or get it coated.

I want to laugh at the person that said we would lose TQ with 3" exhaust NA. I don't think 171 ft/lbs is all that bad, LOL!!




Jason
99 Z24
157hp/171tq
wheres my boost??
Re: 3
Friday, May 11, 2007 3:45 PM
BTW, love the color of the Cav




Jason
99 Z24
157hp/171tq
wheres my boost??
Re: 3
Saturday, May 12, 2007 7:34 AM
Thanks for all the comments.

Matt wrote:I like. How loud is it tho?


Its almost as loud as the stock pipe was when I had just a glass pack on it, but it doesnt drone going down the highway like it did with that setup. When I open the cutout its rediculously loud and I wouldnt even consider driving anywhere with it open.

Steve from PA wrote:looks good. You decided not to use a flexpipe or cat?


Right now it has the factory cat but when I install the 086 head and header I will either use a test pipe or a highflow cat and a flex pipe.

b0jan jebac - 8ball - wrote:3" on a N/A engine?


Yep I decided to go for it, the fastest N/A ecotec on here has 3"....besides once I get some good track times N/A who knows I might go boost and there is no sence in doing the exhaust twice. Now I can personally say I dont believe the loosing torque with 3" myth.





Re: 3
Saturday, May 12, 2007 8:50 AM
I f you dont mind me asking how much shipped was the 3 in from custom tubes? I plan on getting one in the near future for my turbo build.






Re: 3
Saturday, May 12, 2007 11:22 AM
Shipped with a test pipe with o2 bung was $235 to the door I believe.



Re: 3
Friday, May 18, 2007 7:30 PM
Great I have the same exhaust from Custom Tubes and I'm going to run a Dynomax 3" bullet in place of the cat and a Magnaflow muffler 5x8 oval 3" inlet & 4" outlet with a polished angled tip for my car.


2000 Z24 5spd header & catback for now.
Re: 3
Friday, May 18, 2007 7:44 PM
Should sound pretty good...even with my cutout open on the muffler It has a some what deep sounding tone. My redneck friends that hate the sound of 4 cylinders even complimented me on the sound. Gotta love the bullet.



Re: 3
Friday, May 18, 2007 7:46 PM

What kinda muffler are your running? I love "DTM" tips.





Re: 3
Friday, May 18, 2007 10:11 PM
Im using a flowmaster warlock muffler. The tip I bought seperate and had wielded onto the muffler. I cant seem to fiind a tip that I like better then the good old DTM.



Re: 3
Sunday, May 20, 2007 12:34 PM
Warlock? Never heard of that...You sure its a Flowmaster?



"Winning in a p@$s fight in a forum is like winning a race in the special olympics. Cuz in the
end. Your still a retard."
Re: 3
Sunday, May 20, 2007 2:02 PM
Sorry its a Flowtech



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