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11-18-2013, 02:10 AM
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#1 |
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Registered User
Join Date: Jul 2012
Location: McMinnville, OR
Posts: 80
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Side Exhaust
Hey guys. I just wanted to get a preference from you all! i have a 69 cst 20 with a mildly built 402. I have 2 1/4 inch exhaust with dual flo-pros out the back and it sounds pretty great. I am thinking about going to 3 inch and having it dump out before my rear tires out the end but i am not too sure yet. and should i go 3 or 2 1/2?? PLease post some pics of what i want?! (:
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1969 CST/20 396/TH400 Tach Posi |
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11-18-2013, 08:10 AM
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#2 |
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Registered User
Join Date: Aug 2012
Location: Junction City, KS
Posts: 782
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Re: Side Exhaust
I am running glass packs with 2 1/2 pipe with large tips. My glass packs are short and fat. Lots of sound. Love the looks and sound with what I am running.
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Joseph Joe's 69 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543253 1969 GMC SWB-350 SBC 700R4 2013 Ram 2500 CC Laramie Longhorn Edition-6.7 PPEI EFI Live CSP5 5” ProFlo Exhaust |
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11-18-2013, 10:08 AM
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#3 |
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Registered User
Join Date: Jan 2013
Location: Mickleton, NJ
Posts: 1,776
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Re: Side Exhaust
3" might lose some of your low end power. 2-1/2" is probably the right size.
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Shawn 1970 Chevy C-10 SWB, 350, TKO 600 5 speed My build http://67-72chevytrucks.com/vboard/s...d.php?t=559881 |
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11-18-2013, 01:18 PM
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#4 |
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Registered User
Join Date: Jul 2012
Location: McMinnville, OR
Posts: 80
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Re: Side Exhaust
Thank you two for the replies! i still have some thinking to do. The guy who would be doing it is an older truck guy (he like fords though
 ) and he said with my engine, i shouldnt loose any power with 3 inch,i would gain some when racing, but other than that, i would just have some bragging rights.
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1969 CST/20 396/TH400 Tach Posi |
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11-18-2013, 01:27 PM
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#5 |
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Florida Edition
  
Join Date: Oct 2010
Location: Fruitland Park, FL
Posts: 4,034
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Re: Side Exhaust
Big Block 402 with Hooker long tube headers and Cherry Bombs, 3" all the way out and I like it.
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70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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11-18-2013, 04:07 PM
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#6 |
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Registered User
Join Date: Nov 2013
Location: galesville WI
Posts: 91
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Re: Side Exhaust
I was running a 350 with headers 2 1/2 in pipe and flowmaster 40s. I like the side exit, but the sound wasnt as good without a crossover.
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11-18-2013, 04:12 PM
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#7 |
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Registered User
Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,205
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Re: Side Exhaust
I personally think 3" would be too much for it, but it'd breathe better at high rpm. I'd go 2 1/2".
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71 K20 64 GMC mud truck |
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