LT1-LT4 Modifications 1993-97 Gen II Small Block V8

3" Under the axle duals

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Old 12-09-2010, 06:42 PM
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Default 3" Under the axle duals

Curious to see who's running them on here. Would like to know how much you paid and how clearance is with them. Also curious to see what you guys think I should gain. Im going to duals to quiet my car down some, the gains are a bonus. I will be going from a 3 inch ORY with a Flowmaster Merge (pipes leading to the merge are crush bent) into a GMMG to 3 inch duals all the way back, x pipe, Magnaflow high flow metallic cats, Borla Pro XS mufflers.

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Old 12-09-2010, 08:11 PM
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Iam runnning them not sure about price they where done before i bought it . Clearance isnt bad hits somtimes when i go over speed bumps my car isnt lowered .
Old 12-09-2010, 09:58 PM
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I ran them for awhile. Clearance was the same as dumped duals. The collectors and mufflers was the lowest part on it, the under the axle pipes never scraped. Oh and 3" piping ran from the collectors to tail pipe is damn heavy.
Old 12-09-2010, 11:32 PM
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i have 2 1/2", but i paid $260 from where it use to dump before the axle, to bring it out the back, attach tips, and weld on 3 bolt flanges before the axle. Pretty decent clearance.
Old 12-09-2010, 11:45 PM
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Under axle duals doesn't look as good as over axle duals.
Old 12-10-2010, 02:09 AM
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I didn't think it looked bad.


Old 12-12-2010, 01:50 AM
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First post updated
Old 12-12-2010, 07:25 AM
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Just asking how would you lift the car with a normal lift? Wouldn't the rear end drop onto it?
Old 12-12-2010, 11:06 AM
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You'd have to cut it or use flanges so it can be unbolted...
Old 12-12-2010, 05:42 PM
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Originally Posted by meine96ws6
Just asking how would you lift the car with a normal lift? Wouldn't the rear end drop onto it?
Never had a problem with that.
Old 12-12-2010, 10:59 PM
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Im reading 50/50 about having to unbolt the under the axle portion when the car is lifted, ill have the shop run 3 bolt flanges if i go under the axle. Im going to price how much it would be to go over on both sides
Old 12-12-2010, 11:04 PM
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i need to get a pic of mine, but my exhaust will hold up my rear end if you raise it on a 2 post lift. i had 3 bolt flanges installed on mine for a small price.



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