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02-19-2007, 10:20 AM
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Senior Club Cobra Member
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Join Date: Jan 2007
Location: Sacramento,
CA
Cobra Make, Engine: Superformance 460 SVO
Posts: 305
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Not Ranked
Terry, did you have to lower the engine mount to install the sidepipes or did you have to lower and leave it lowered to fit??
Mel
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02-19-2007, 02:23 PM
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CC Member
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Join Date: Feb 2006
Location: Scottsdale,
AZ
Cobra Make, Engine: Superformance, Roush 427R-095, Pro Systems carb, 2" headers, Buckshot Racefab side pipes, 10s off idle start
Posts: 705
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Not Ranked
I like mine from www.buckshotracefab.com
Here they are with 17 inch wheels on the car.
Here's how they look in motion with 2100 ft air.
Buckshot Racefab side pipes in motion
Here's a recent dyno chart
475.3 wheel HP
If you get some I should mention the new pipes required an additional 3 jet sizes up primary and secondary to maintain the same air fuel ratio as the Superformance side pipes.
Last edited by greg schroeder; 02-19-2007 at 05:32 PM..
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02-19-2007, 03:46 PM
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CC Member
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Join Date: Sep 2000
Location: Brownsville,
CA.
Cobra Make, Engine: Superformance, #930, 351W/427CID 419 RWHP (before the Webers!)
Posts: 224
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Not Ranked
Mel:
I had to leave it lowered. It was only one side and it was the beefier Olthoff replacement.
I understand the Stainless Steel Specialties drop the tips very slightly to focus the increased sound away from the driver/passenger.
Hope that helps.
__________________
Terry Brown SPF #930 427W 419 RWHP 48 IDA Webers
"Remember, your car will not be more valuable after Track Day than it is the day before the event" - Eric W. instructional presentation on Track Day safety, 05/15/2008 WSCB
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02-19-2007, 04:11 PM
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Senior Club Cobra Member
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Join Date: Jan 2007
Location: Sacramento,
CA
Cobra Make, Engine: Superformance 460 SVO
Posts: 305
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Not Ranked
Terry thanks for the info, don't know if I could lower my mount, pretty tight fit as it is
Greg are those the two piece sidepipes, which pipes are they,, the street, or performance ones, your vid sound great
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02-19-2007, 05:58 PM
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CC Member
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Join Date: Feb 2006
Location: Scottsdale,
AZ
Cobra Make, Engine: Superformance, Roush 427R-095, Pro Systems carb, 2" headers, Buckshot Racefab side pipes, 10s off idle start
Posts: 705
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Not Ranked
Quote:
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Originally Posted by Calbullet
Greg are those the two piece sidepipes, which pipes are they,, the street, or performance ones, your vid sound great
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I have the removable muffler section. The muffler type referenced by the builder was 3" though it would be difficult to measure an exact internal dimension given there are rows of louvers inside. The internal louvers point forward, no packing. I like the turn out to be level to ground, but if you wanted you could point them around in alternate directions.
I can tell you for certain the Buckshot Racefab side pipes are faster and they are louder. I don't think it's possible to use the word "best" for anything under the sun, though I'm satisfied with the product and I'm very picky and analytical.
I took a number of months to thoroughly understand the impact of the side pipes from many perspectives. For testing I used corrected numbers from load bearing dyno, inertia dyno, G-tech Pro Competition with computer acquisition software and trap speed corrected to sea level for comparison between the Superformance and Buckshot Racefab.
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02-19-2007, 08:06 PM
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CC Member
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Join Date: Sep 2000
Location: Brownsville,
CA.
Cobra Make, Engine: Superformance, #930, 351W/427CID 419 RWHP (before the Webers!)
Posts: 224
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Not Ranked
Mel:
May not be an issue for you since you have a BB vs my SB. My mount was actually cut, shortened and rewelded.
__________________
Terry Brown SPF #930 427W 419 RWHP 48 IDA Webers
"Remember, your car will not be more valuable after Track Day than it is the day before the event" - Eric W. instructional presentation on Track Day safety, 05/15/2008 WSCB
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