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Old 02-16-2003, 02:17 PM
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Post exhaust

I am close to putting a dual exhaust with flowmasters. It was brought to my attention to consider where the tail pipe ends.

Before the differential under the car or traditionally out the back.. Pros and cons? Thanks

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Old 02-16-2003, 02:19 PM
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In CA are you alowed to have dumps on cars? That I know of you can't have dumps under the cab or interior depending on a car or truck. Steve
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Old 02-16-2003, 02:35 PM
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This will be for a 68 camaro-no smog

What would be performance and sound pros and cons?
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Old 02-16-2003, 03:01 PM
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I HAD Flows that exeted right behind the tires with 45 degree turndowns and they sounded great. Then later I broke a hanger so I hacksawed the tailpipes off at the muffler and that didn't sound to good. But now I have 19 inch glasspacks dumped at the rearend and they sound really loud and nothing like glasspacks.But I have seen more older Camaros with 45 degree turndowns behind the back tire.Just a thought. Steve
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Old 02-16-2003, 10:36 PM
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hey man i have a 1970 Chevelle with a 383 stroker. it has flowtech headers to 3 inch exhaust all the way to just right in front of the rear axle housing. the mufflers are 40 series, 2 chambered mufflers and it sounds pretty rad but a bit on the loud side (with turn downs). if i were to do it again i would get a little more pipe after the muffler to quiet it down but oh well. you wont get caught by cops or anything so its not that loud. um............ if i were you i'd put it out right in front of the back tires, that looks sweet. just think of a fat 3" pipe sitting there . hope this helped, sorry for it being so long. later
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Old 02-17-2003, 06:21 AM
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dk01_99: I watched 'Gone in 60 Seconds' (the remake) last night and the 67 shelby mustang had the exhaust right in front of the rear tires. It looked really cool. I am leaning that way. I'll post a pic when it is done. Thanks for the info.
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Old 02-17-2003, 07:42 AM
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You want to put them far back as possible, it keeps the exhaust gases hot and faster flowing.This was done on Vettes and always stayed that way for 50 years. Also the color of the headers and pipe make a differance, Hot Rod or one of those mags. done a dyno test, silver or white made a differance of 7 to 12 HP because the flow did not cool as fast as black. FYI
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Old 02-18-2003, 07:08 PM
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1BAD80 are you foolin with us?! Color makes a difference!! How about "au natural"? Let us know what you decide, ffcagle, I'd like to see how it turns out. I'm dumping mine out just behind the rear wheels. Hope the smog police like it.
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