Best cat back exhaust system
02-09-2007, 11:55 AM
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Best cat back exhaust system Who has the best cat back system as far as performance gains go. I have stock headers and I just bought an SLP Y-pipe.
02-09-2007, 11:38 PM
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You will never come to any conclusion about this. Not that you cannot find the best...but if you ask people..........they will probably tell you what they have.
Best performance...would have to be the original SLP loudmouth, and close second...probably GMMG. With you stock exhaust manifolds and the SLP y-pipe, the Loudmouth will sound great and flows the best. It has the straightest of the straight through designs. It is affordable too.
Best performance...would have to be the original SLP loudmouth, and close second...probably GMMG. With you stock exhaust manifolds and the SLP y-pipe, the Loudmouth will sound great and flows the best. It has the straightest of the straight through designs. It is affordable too.
02-10-2007, 09:32 AM
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For a comprimise between sound and performance, I really like the Hooker catbacks! They have a nice sound without that aluminum can sound, and flow better than say a Flowmaster. We keep them on the shelf for $329.95! They ship the same you order in most cases also!
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02-10-2007, 02:20 PM
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i just bought slp longtube headers and loudmouth exhaust. it's going on tonight. the car i heard it on sounded great. i'm recomending the slp longtube headers and the slp loudmouth exhaust. it is expensive, but worth it.
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02-10-2007, 04:22 PM
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it doesnt matter...your running stock headers and a slp y pipe/there goes all your power anyway. most cat backs are with in a hp or 3 of eachother go to ls1sounds.com and pick out which one sounds the best to you. i will let you in on a secret flowmaster flows like ****. what was wrong with your the other replys in your other thread where you said exactly the same thing?? didnt get the answers you wanted!
02-10-2007, 06:08 PM
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Originally Posted by dpw41285
it doesnt matter...your running stock headers and a slp y pipe/there goes all your power anyway. most cat backs are with in a hp or 3 of eachother go to ls1sounds.com and pick out which one sounds the best to you. i will let you in on a secret flowmaster flows like ****. what was wrong with your the other replys in your other thread where you said exactly the same thing?? didnt get the answers you wanted!
ya i doubt you will see any bigger performance gains with any one company over the next. until the manifolds get changed out catbacks are mostly gonna get you sound. as far as that goes the original slp loudmouth I sounds pretty sick IMO.
