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Old 01-27-2010, 07:45 PM   #1
alexdc
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cat or axle back?

which catback system do you guys think is the best overall in terms of hp gains, sound, and helping with gas????

is it owrth it to spring the extra cash for the catback or is the axle back sufficiet?
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Old 01-27-2010, 07:48 PM   #2
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Hey my fellow Floridian! Let me be gentle here and just say that there must be 50 threads asking the same question your posting. Check out the search button brother... before things get ugly!
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Old 01-27-2010, 07:53 PM   #3
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haha alright thanks man
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Old 01-27-2010, 07:58 PM   #4
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No problem Al... after you read up on the choices, if you still have a question, post up and the answer will be up in a flash on this site! There are some awesome guys on C5!
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Old 01-27-2010, 08:31 PM   #5
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But just for GP, the axleback won't get the gains that the catback will. Just sound.
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Old 01-27-2010, 09:16 PM   #6
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We just received a big run of TSP stainless catback systems. They are completely 3" stainless steel & feature magnaflow mufflers. This kit will also bolt directly up to the TSP stainless header kits when you get ready for headers! I'll post the pics of it first thing in the morning!
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Old 01-27-2010, 10:07 PM   #7
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I've also heard that you really don't get any significant HP gain even with CATback as they exhaust is already pretty good. Don't waste the money if you are looking for power gain. Get a axle back and a CAI for less money.
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Old 01-28-2010, 04:55 AM   #8
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gmpp exhaust and headers

I have basically had the same question as yourself. I purchased the gmpp exhaust catback system and also had planned on getting the gmpp headers. Now I just found out they are not going to produce the gmpp headers, the ones the had couldn't pass emissions so they scrapped the plan and aren't going to produce. Wish I had gone with total after market Shorty headers and catback that would match. Any ideas out there.
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Old 01-28-2010, 08:18 AM   #9
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To the OP Cat or Axel back will not yield any significant HP/TQ. Do you have and LS3 or L99? I would save your pennies for Long Tube header with high flow cats.
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Old 01-28-2010, 05:21 PM   #10
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ive got the ls3
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