under teh axle TDs

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Jan 17, 2006 | 03:42 PM

SSRZ28

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From: BAY AREA AND LOS ANGELES

under teh axle TDs

what would be the problems of going under the axle. seems like only problem would be speed bumps. if you went over them fast and the bump landed on the pipe. just seems like there is so much more room and easier than going over the axlel.

Jan 17, 2006 | 10:39 PM

DVST8OR

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There is no problem with it what so ever. That is exactly what I did (and I am not the only one). My car is a daily driver and I have had them under the axle for about 2 years now and I have not had a single problem. Speed bumps are not an issue because the pipes are attached to the car, so if the car raises up so does the exhaust. I live in Arizona so there are plenty of steep driveways and large speed bumps and as I said never had a single problem.

Furthermore I have never seen one person post or talk about how their under axle true duals scraped, was a bad idea, got damaged, etc.

Jan 17, 2006 | 11:59 PM

BlutVonSchwachen

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So what are the advantages/disadvantages of going under rather than over the axle?

Jan 18, 2006 | 06:31 AM

DVST8OR

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Mostly......cost. It costs more to go over, there is quite a bit more involved. Size of piping matters also. Very difficult to get two 3" pipes over the axle. And the least concern exhaust flow. Under is a lot less bends and a freer flowing exhaust, but I meant you are probably talking about less than a 1/4 horsepower difference between the two.