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Old 24-11-2007, 12:39 PM   #1
fordman_01
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Default 2.5" cat-back

hey, i have recently got a 2.5" cat-back exhaust installed into my 2000 model AU Falcon and i am wondering if i would be getting any extra power. i think that a stock engine produces 157Kw of power. would any one no how much extra power i would be getting now?

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Old 24-11-2007, 01:04 PM   #2
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Had mine done last year, Stock was 104.9kw and then made it to 120.2kw after the 2.5" Frogspec Exhaust was chucked on

anything from 10 - 15 kws is a bonus
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Old 24-11-2007, 01:13 PM   #3
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When I fitted a redback system to my ELXR6 the power difference was negligible.

What made a reasonable difference were Pacemaker headers and a CAI.

If you are looking for a few more ponies headers are a must, imo they are a worthwhile mod with the Ford 6, made the vehicle a bit more responsive but don't expect to much.

Hope this is of some help to you.
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Old 24-11-2007, 06:43 PM   #4
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Quote:
Originally Posted by fordAU
When I fitted a redback system to my ELXR6 the power difference was negligible.

What made a reasonable difference were Pacemaker headers and a CAI.

If you are looking for a few more ponies headers are a must, imo they are a worthwhile mod with the Ford 6, made the vehicle a bit more responsive but don't expect to much.

Hope this is of some help to you.
Agreed, on the 6s the extractors are what really makes the difference, catback will basically give you a 99% sound improvment, 1% performance improvement.
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Old 25-11-2007, 02:20 PM   #5
fordman_01
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Quote:
Originally Posted by AU2PWR
Had mine done last year, Stock was 104.9kw and then made it to 120.2kw after the 2.5" Frogspec Exhaust was chucked on

anything from 10 - 15 kws is a bonus
so how would i check this?
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Old 25-11-2007, 02:27 PM   #6
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I'm guessing AU2PWR got a full exhaust, You won't get any gains at all with a cat back because you still have the same restiction of the factory exhaust manifold and stock cat.
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Old 25-11-2007, 05:40 PM   #7
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mine was only cat back ..
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Old 25-11-2007, 06:06 PM   #8
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thats an impresive result for a cat back exhaust, I didn't think there would be any gains. As I said before, I thought the exhaust manifold and cat would be more rextrictive, so you wouldn't get any gains unless they were replaced first
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Old 25-11-2007, 06:14 PM   #9
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the cat is the Most restrictive thing i thought .. when i took mine out .. i mean err .. replaced it . the car revved heaps more and felt even more powerfull , then the power jumped another 10kws witht he extractors
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Old 25-11-2007, 06:16 PM   #10
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on autotech's dyno last year, chiefs stock au pulled about 103 rwkw. mine with just a cat back pulled 117.

now it pulls 125rwkw lol
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