Best Flowing Exhaust Setup?
Registered User
Joined: Oct 2001
Posts: 2,525
From: SoCal
Re: Best Flowing Exhaust Setup?
Originally Posted by superduty95
I have 420 RWHP in my 95 ta, it is a MORE perf 383 and I am running the corsa catback with dual cats and ceramic coated hooker long tube headers, I am sure with pulleys, a bigger cam, a delteq, I figure to be close to 500? maybe, but if you go bigger than 383 you should get close if not over 500. my corsa is kinda high pitched, but it is different than the loudmouth, haven't heard to much negativity about it yet, but it very well might be illegal with how loud it is.
Registered User
Joined: Dec 2004
Posts: 542
From: Ballin' in Hotlanta
Re: Best Flowing Exhaust Setup?
By far the freest flowing would be coutouts right after LT headers, but you don't see many people runnning this at the tracks. There is a reason for this. There is more to going fast than peak HP. Even Top Fuel cars have some backpressure built into them. Back pressure gives torque, and you need torque to get the car going. When I did my setup, we purposely put in some back pressure by reducing to a 2.5 inch y-pipe, the out 3-inch into a turned down muffler through the back. Not only did this make it driveable, but made the car faster overall. If you were building a car to race for top speed out in Arizona, then totaly free might be the way to go, but for drag racing you need some back pressure to give you torque. Sure, you might lose 7 or so peak HP with a setup like mine, but you are going to be faster in the 1/4.
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dbusch22
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Oct 31, 2016 11:09 AM
