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Old 04-09-2008, 07:00 PM
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Default Getting an Exhaust system??

In a couple of days i want to purchase an exhaust system. I was shopping around in a WS6 store and thinking about Hooker Exhaust system?? (Most important thing is Will i pass smog by installing it?) Is this set up any good?

Is there something else that offers more "bang for the buck" in performance and sound?

Thanks
Old 04-09-2008, 07:42 PM
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u will pass smog with any cat back as long as you don't get rid of your catalytic converters or change the manifolds to long tubes, you should be ok. Long tubes can be made to pass emissions, but you will fail the visual in California, unless you can find a shop to overlook it...
Old 04-09-2008, 07:44 PM
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also, hooker is a good system and flows pretty well. It won't be overbearingly loud, but it will be deeper and sound better than stock. If you eventually go with longtubes and an ORY or catted y, it will only sound even better. A lot of people recommend it here because its a good performance gain and its not loud enough to draw attention from the law.
Old 04-10-2008, 12:21 AM
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Originally Posted by GreenBlood
also, hooker is a good system and flows pretty well. It won't be overbearingly loud, but it will be deeper and sound better than stock. If you eventually go with longtubes and an ORY or catted y, it will only sound even better. A lot of people recommend it here because its a good performance gain and its not loud enough to draw attention from the law.
I will probably go with hooker, it is pretty cheap comparing to others and i have heard it in youtube and it sounded alright...
Old 04-10-2008, 12:34 AM
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id say magnaflow. relatively quiet, but has a nice deep tone.

my flowmaster is loud and sounds good at the same time, but i know my performance is suffering. ah well came on the car
Old 04-10-2008, 05:59 AM
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Yea all catbacks will pass smog...Hooker is a good inexpensive system but there pretty quiet. You also have the tsp rumbler and the Gibson set up from lmperf., they both sound pretty good and are fairly cheap.
Old 04-10-2008, 08:44 AM
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Hooker's catback flows pretty well and sounds good on the stock manifolds/cats, but it is really quiet.
Old 04-10-2008, 05:25 PM
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Originally Posted by multiplicityZ
id say magnaflow. relatively quiet, but has a nice deep tone.

my flowmaster is loud and sounds good at the same time, but i know my performance is suffering. ah well came on the car
So flowmaster takes away performance or just does not deliver enough compared to magnaflow?
Old 04-10-2008, 07:25 PM
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Magnaflow +1 (16723)
for emissions only, the catback is fine,it does not touch catalysts in the front ,

must admit just bought and installed one myself ,fits like a glove on the Camaro without additional hardware.Which for me is important because could not even get a 3,0 inch exhaust clamp so easy here before the internet.

The Magnaflow is more expensive than the Hooker but stainless steel.Would use a cutout in the future as well.

BTW for the mag the sound at idle is silent to normal,cruising sound is quit/dark until 2000 rpm then it about explodes noise-wise.So fine for the cops and MOT but also fine for a nice blast.


good luck choosing!

Last edited by marthyh; 04-10-2008 at 07:41 PM.
Old 04-10-2008, 07:39 PM
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Originally Posted by black_phoenix
So flowmaster takes away performance or just does not deliver enough compared to magnaflow?
Theres nothing wrong w/ the flowmaster but theres better cheaper options...not much difference performance wise in catbacks but sound.
Old 04-10-2008, 11:27 PM
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Originally Posted by MonmouthCtyLS7
Theres nothing wrong w/ the flowmaster but theres better cheaper options...not much difference performance wise in catbacks but sound.
thanx. I think i will go with a magnaflow
Old 04-11-2008, 10:54 AM
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Magnaflow is a good choice. Sounds quite at Idle but deep at WOT
Old 04-11-2008, 11:02 AM
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I have the SLP LM I on my WS6 and like the (loud) aggresive sound. I've had the LM on several other cars too. I like to hear my exhaust at idle and not just at WOT.
Old 04-14-2008, 02:19 PM
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Originally Posted by MonmouthCtyLS7
Theres nothing wrong w/ the flowmaster but theres better cheaper options...not much difference performance wise in catbacks but sound.
no, flowmasters except the single chambers are horrible on f bodys, they flow about as good as stock. and yes i do have reasoning behidn this, i currently have flowmaster on my car..........getting magnaflow soon.
Old 04-14-2008, 02:42 PM
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I picked the hooker because it is quiet enough that I don't have to freak when a cops around but it sounds awesome when you're on the throttle
Old 04-14-2008, 02:42 PM
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Originally Posted by lt1noob
no, flowmasters except the single chambers are horrible on f bodys, they flow about as good as stock.
Good as stock huh, Lets not get carried away. Ive seen numerous dyno pulls that told differently. Ive had flows on 2 of my 3 4th gens and never felt inferior to any other catback.
Old 04-14-2008, 02:52 PM
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At most maybe 2-5hp...at most....someone just posted a dyno comparison in the dyno section that showed the flows didn't eat up as much power as everyone thinks
Old 04-14-2008, 02:54 PM
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https://ls1tech.com/forums/showthrea...ght=flowmaster

For example
Old 04-14-2008, 02:59 PM
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I just put a Magnaflow on the Formula this past weekend, as was already stated, it fits the car like a glove, and I am very happy with it thus far. It is very tame at idle and low RPM, but at WOT it raises sufficient hell for anyone around me to know it isn't a V6 Firebird.
Old 04-14-2008, 03:24 PM
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Yea both do a good job at being tame while normal driving and wild at WOT, that's why I like both systems



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