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3" True duals, lowered, and decent ground clearance.

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Old 08-20-2013, 04:52 PM
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Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
3" True duals, lowered, and decent ground clearance.

My buddy made this exhaust for his IROC-Z when it had a 383. He sold the car, and I got my hands on his exhaust. Here are some pictures when he was fabbing it on his IROC:












I got the exhaust with flowmaster 50 series on it:


On my car, looks lower than it really is. I drove around town. Over bumps. Pulled into lots with decent incline/declines and never scrapped. So it works well for me:




Sound clip. I'll most likely be switching to 40 series next year:
Old 08-20-2013, 05:26 PM
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Re: 3" True duals, lowered, and decent ground clearance.

Methinks the speed bumps will get you,but it sounds good.
Old 08-20-2013, 05:33 PM
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Car: 1988 IROC-Z
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Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: 3" True duals, lowered, and decent ground clearance.

Thanks. I'm certainly not saying I'll never scrap. But I purposely hit some decent size bumps and all was well. It's only a weekend warrior. So this will work fine. My buddys IROC wasn't lowered and he never scrapped once.
Old 08-23-2013, 06:45 PM
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Re: 3" True duals, lowered, and decent ground clearance.

ya know.. more people should use ovalized pipe
Old 08-27-2013, 01:10 PM
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Re: 3" True duals, lowered, and decent ground clearance.

My old 383 LT1 setup was done similar (Y instead of a true-dual) ran in the same location's as yours. I rarely had issues with clearance. A few scrapes from parking garages etc.

Looks good!

Jay
Old 08-27-2013, 01:12 PM
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Re: 3" True duals, lowered, and decent ground clearance.

Is that a spohn xmember? If so i did the same thing but made a y pipe. I had all sorts of issues lol ended up bottoming out so much the pipes that dipped below xmember went oval lol. Pa roads suck tho and my car is lowww in the front
Old 08-27-2013, 06:01 PM
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Re: 3" True duals, lowered, and decent ground clearance.

Originally Posted by RaverRacerX
ya know.. more people should use ovalized pipe
Where does one find ovalized pipe? I understand the benefit of it but never seen it or understood what you use at the point where it changes from round to oval.

Could you post some links?
Old 08-27-2013, 09:06 PM
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Re: 3" True duals, lowered, and decent ground clearance.

Spintech, Stainlessheaders.com, Dr. Gas.
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