Exhaust Mods? Stop Here! - Page 10 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-19-2004, 05:36 PM   #91
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Quote:
Originally Posted by smellbird
Quote:
Originally Posted by OLBlueEyesBonne
Doing the muffler too? Magnaflow or 80 Series?
Going with a different route, staying out of the Magnaflow vs. Flowmaster debate. I'm thinking Borla.
I pimp Magnaflow

But if you want Borla info, Custom has it on his Rivi
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Old 06-20-2004, 02:57 AM   #92
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check jegs or borlas site, look for a late model f-body, correct?
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Old 06-21-2004, 04:50 PM   #93
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I'm getting an 80 series installed on my 98 ssei....can i keep the stock tips or should i get new ones? If the preformance is the same, and they dont make the muffler sounds weak id like to keep them for monetary reasons. Any feedback in appreciated. Thanks, Blake
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Old 06-21-2004, 04:58 PM   #94
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tips will make no difference in performance, and generally no difference in sound.

keep the stock tips for the "sleeper" look

or some common ones are these

http://www.pfyc.com/store/merchant.m...ory_Code=GPEXH
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Old 06-23-2004, 12:43 AM   #95
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I've got all sorts of questions today!

I want to put in a high-flow cat and muffler. I measured the pipe between my cat and muffler and it looks like it'* 2.25".

1) I need a high-flow cat. Considering the Magnaflow Universal short oval cat, P/N 94105. Good? Bad?

2) Supposedly this car came without a resonator from the factory. Does this mean that a Flowmaster 80 is going to sound particularly loud? I really don't want something too loud... a nice low rumble is good, muscle-car sound is bad.

3) Are GM high-flow mufflers available at a reasonable price?

4) Any reason to increase the diameter of the downpipe?

5) The factory muffler is single-in, single-out, with no cutout in the bumper. Can I do a single-in, dual-out muffler? That'* just for show and doesn't affect the flow, right?

Jeremy
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Old 06-23-2004, 02:28 AM   #96
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My answers are in italics under your questions:

Quote:
Originally Posted by bigJ
1) I need a high-flow cat. Considering the Magnaflow Universal short oval cat, P/N 94105. Good? Bad?
Sure. Or carsound, or any other high flow cat. If it'* high-flo, go for price.

2) Supposedly this car came without a resonator from the factory. Does this mean that a Flowmaster 80 is going to sound particularly loud? I really don't want something too loud... a nice low rumble is good, muscle-car sound is bad.
No resonator on a 93. ANY performance exhaust will sound raspier than a car with a resonator. I was just talking to my exhuast guy about adding a resonator or resonator tips today.

3) Are GM high-flow mufflers available at a reasonable price?
Available? Yes. But much better performance is available for a lower price aftermarket.

4) Any reason to increase the diameter of the downpipe?
No. Especially on a non-supercharged model that isn't going to be heavily modded. My downpipe is still stock, and even with my mods, I wouldn't gain more than 5hp from it. The cost makes it prohibitive for that little 5hp.

5) The factory muffler is single-in, single-out, with no cutout in the bumper. Can I do a single-in, dual-out muffler? That'* just for show and doesn't affect the flow, right?
You can really go either way you want for looks or sound. The main idea is to not open your exhaust up to more than 2.5". Any more, and you'll lose backpressure and low-end torque. Bad news considering our engines were designed for low-end torque. Stick with the stock 2.25" exhaust or bump to 2.5", and any outlet/tip configuration you'd like. You'll be fine.
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Old 06-24-2004, 06:18 PM   #97
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Lmao I'v e never heard them called fart cannons..That'* too funny! nearly blew a gasket!
Quote:
Originally Posted by BonneMeMN
I've always been a fan of dual far cannnons...
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Old 06-24-2004, 06:53 PM   #98
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I have a 92 SE and i would like to get a magnaflow exhaust, but i have no idea which one to get. i read through all the posts in this thread and i still am clueless. Could anyone help me out?
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Old 06-24-2004, 07:44 PM   #99
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Quote:
Originally Posted by maxpower9004
I have a 92 SE and i would like to get a magnaflow exhaust, but i have no idea which one to get. i read through all the posts in this thread and i still am clueless. Could anyone help me out?
I'd give you the part # for my Magnaflow, but it'* way too big for a 1992 SE.
Hope someone can help you out here soon.
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Old 06-25-2004, 12:51 AM   #100
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Just found out why the stock aluminum "Fart Cannons" on my car are so thick.
They act as skid plates when you miss your turn on the freeway and have to go across the center divide that has a big dip in it.

Forgot I wasn't driving my Jeep.
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