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Topic: 3 iNCH EXAUST (Read 262 times)
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moparwedden
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Has Any Of You Guys Run 3 Inch From Header All The Way Back. Will My Car Perform Better. Its A 440 With A Small Street Cam Mi Intake And 750 Holley. Fenderwell Headers. I Picked Up A Set Of Bullit Muflers From Summit. 3 In 3 Out. Or Did I Just  Out The Door.  |
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cu440da
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I have. It's loud. I'd go w/ 2.5" if I were to do it again. Performance wise, I dont think you'd gain anything other than already having it there if you beef up your motor in the future.
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'67 Notchback- 12.85 @ 109mph
440, M1, modified 750 Holley, .509 cam, template ported 906's, ProParts, 3" x-piped mandrel bent exhaust, Spintech's, 4.10 Sure Grip, 3200 stall, CalTracs and mono's, RR hood bulge fresh air system
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Tiamat
Full Member
 Offline
Posts: 143
BigBlockDart.Com
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If you go too big you will reduce your exhaust gas speed, which will reduce the scavenging effect of your headers, which
will...........you get the picture... reduce performance.
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fasttcars
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If you go too big you will reduce your exhaust gas speed, which will reduce the scavenging effect of your headers, which
will...........you get the picture... reduce performance.
maybe on a 4-cylinder ya... but 3in on a ...even mild big block isn't to big ...it just plain works |
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69cuda440
Jr. Member
Offline
Posts: 49
BigBlockDart.Com
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i have a full 3 inch exhaust from jegs on my 69 cuda and its a tigt fit in the area where the tail pipes go over the rear axles. it sounds real bad.
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bOb shingler
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 i'm with fasttcars, the bigger the better.
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"bOb Built" (no matter how many times it takes)  |
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moparwedden
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Well I Guess I Didn't Do This 3 Inch It Is. Going To Do It Next Sunday Down At My Brothers Shop. I'll Take Some Pics. |
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jamesdart
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cant go wrong with 3" on a hot rodded v-8, especially a big block. dont expect it to be quite with bullet mufflers though.
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