Ferrari Mailing List: Re: 458 with aftermarket exhaust

[Mike Fleischer (themightytoe]

Ah yeah I call bullshit on that.

450 hp out a motor that claims 562 at the crank? Thats a 25% driveline loss... I don't think so. At most its probably 18%, but more likely around 15%... So it should see 480-490 at the wheels, and likely is under-rated from the factory a bit anyhow (at least most American muscle engines are).

On 11/21/2010 6:36 PM, LS wrote:

Indeed, I was fully expecting to see no mention of dyno gains or something on the order of 10-15rwhp gains.

A guy I know and some mods done to a 355 and the cost was about $12k for full header, cats, mufflers, etc.

The dyno shop was "out of order" that day conveniently.

LS

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From: Peter Pless <ferrarilist [at] pless.com.au>
To: LS <lashdeep [at] yahoo.com>
Cc: The FerrariList <ferrari [at] ferrarilist.com>
Sent: Sun, November 21, 2010 7:29:35 PM
Subject: Re: [Ferrari] 458 with aftermarket exhaust

Anyone else surprised at the power gains? Ferrari doesnât normally leave that much on the table.

Â

From: LS [mailto:lashdeep [at] yahoo.com]
Sent: Monday, 22 November 2010 11:28 AM
To: Peter Pless
Cc: The FerrariList
Subject: Re: [Ferrari] 458 with aftermarket exhaust

Â

Great sound and apparently awesome power gains...I wonder how much?

$15k?

LS

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From: Fellippe Galletta <fellippe.galletta [at] gmail.com>
To: LS <lashdeep [at] yahoo.com>
Cc: The FerrariList <ferrari [at] ferrarilist.com>
Sent: Sun, November 21, 2010 12:37:44 PM
Subject: [Ferrari] 458 with aftermarket exhaust

http://www.youtube.com/watch?v=mtp2TGhKY0s

Â

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