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V6 Engine Discussion 3.6L LLT V6 | Exhaust | Ignition | Induction | Intakes

Thread: just came to the realization that I have a catback system Reply to Thread
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  Topic Review (Newest First)
05-28-2011 12:54 AM
markgws6 Cats and stock exhaust manifolds restrict exhaust flow more than mufflers. If you get high-flow cats, (or bypass plates like some racers do) that will free up the most power but be considerably louder. With most exhaust upgrades, you are only going to see like 3-10 HP maximum on an otherwise stock engine. Headers as mentioned will free up more ponies as well and so does a freer flowing colder intake. It's horsepower 101. :-)
05-25-2011 10:03 PM
Kitty the axle backs will free up some hp just by getting rid of those bulky stock mufflers but ya you will get more gain from cat back
05-25-2011 09:25 PM
Envy The Flowmaster and the Magnaflow are axle-back systems offered/installed at point of purchase by most dealerships on the V6 Camaro. The dealerships subcontract the installation to a local muffler shop as mine did. And as Kitty said...there is no Flowmaster cat-back system...so you both have a Flowmaster axle back system. Both systems can be installed on any V6 but no axle-back system offers any hp gains. The Flowmaster does offer a deeper sound than the Magnaflow option though...that's why I chose it.
05-25-2011 09:05 PM
CamaroBC
Quote:
Originally Posted by Mandy View Post
Yeah but I bought my used with 6k from the dealer. The dealer said it was an upgraded exhaust but made it sound like it was a 2LT option... But while doing some searching I couldn't find it on a list of options so I have no idea And I didn't have it up on a lift long enough to even notice if it was catback or axleback but I would assume it is axle back.

coool! i got mine at 9000.

how can you tell by looking anyway?
05-25-2011 08:34 AM
Mandy
Quote:
Originally Posted by CamaroBC View Post
yes mine is also a 2LT. did you buy yours that way?
Yeah but I bought my used with 6k from the dealer. The dealer said it was an upgraded exhaust but made it sound like it was a 2LT option... But while doing some searching I couldn't find it on a list of options so I have no idea And I didn't have it up on a lift long enough to even notice if it was catback or axleback but I would assume it is axle back.
05-24-2011 11:46 PM
Kitty ya a cat back will give a bit more hp and an overall better sound to the vehicle, but to see bigger hp gains you have to add headers and a cold air intake like dev mentioned earlier
05-24-2011 09:55 PM
Devryn
Quote:
Originally Posted by CamaroBC View Post
thanx, i dont see those at first glance. Or do I have to take of the engine cover?
I honestly don't know. You should be able to see around/underneath.
05-24-2011 08:22 PM
CamaroBC
Quote:
Originally Posted by Devryn View Post
Under the hood, on the left and right side of the engine, if you have headers, you will have three distinct pipes coming out and down..

thanx, i dont see those at first glance. Or do I have to take of the engine cover?
05-24-2011 08:21 PM
CamaroBC
Quote:
Originally Posted by Mandy View Post
Mine does too. Is yours a 2LT?
yes mine is also a 2LT. did you buy yours that way?
05-24-2011 08:20 PM
CamaroBC
Quote:
Originally Posted by Kitty View Post
axle back is just like it sounds. the pipe/mufflers were only replaced from the rear axle back on the car

cat back goes all the way up to the catalytic convertors at the front of the car
Whats the significance of the difference. Does catback make for a faster car over axle or is one louder than the other? I did a quick search and it said catback was supposed to provide more hp, but is not a certainty.
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