C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Should I add an XPipe?

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Old Feb 10, 2006 | 10:05 AM
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From: Ol Dirty Durham NC
Default Should I add an XPipe?

I was reading a thread about an X Pipe and was wondering if I should add one. Since the state I live in requires no sniffing I was thinking of doing Hooker long tubes and running both pipes straight to mufflers. Should I put in an X Pipe? Will that affect ground clearance?
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Old Feb 10, 2006 | 10:18 AM
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I'd do it. The X-pipe actually adds a few HP, and will be slightly quieter than straight pipe. Ground clearance is not affected at all.
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Old Feb 10, 2006 | 12:18 PM
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You don't need one until you get a true dual system.
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Old Feb 10, 2006 | 02:04 PM
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If you want to have your whole exhaust refabricated, go right ahead.
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Old Feb 10, 2006 | 06:42 PM
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Originally Posted by 95PoloVert
I'd do it. The X-pipe actually adds a few HP, and will be slightly quieter than straight pipe. Ground clearance is not affected at all.
Ack...an '86...should've checked before I posted!

As the Corvette Kid mentioned...you don't need this until you have a true dual.
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Old Feb 11, 2006 | 12:28 AM
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Sounds like he may be building a true dual system. New headers with "both" pipes going to mufflers... If it will be a true dual I don't see why you wouldn't go with an x-pipe while the car is up in the air. I'll be installing one on my 95 Sunday (Magnaflow Universal 3" x-pipe -new $72 shipped - eBay) ... Will see how that goes...
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Old Feb 11, 2006 | 08:59 AM
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Originally Posted by 4REGT4
Sounds like he may be building a true dual system. New headers with "both" pipes going to mufflers... If it will be a true dual I don't see why you wouldn't go with an x-pipe while the car is up in the air. I'll be installing one on my 95 Sunday (Magnaflow Universal 3" x-pipe -new $72 shipped - eBay) ... Will see how that goes...
It does sound that way, I should have read it better. Yes, do the X or at least a crossover.
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Old Feb 12, 2006 | 04:49 PM
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From: Ol Dirty Durham NC
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Aighty I will add that to my punch list, you think I should order one or will that fabriction shop have a universal one in stock?
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Old Feb 12, 2006 | 05:40 PM
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Originally Posted by C4CBF
Aighty I will add that to my punch list, you think I should order one or will that fabriction shop have a universal one in stock?
If you do a custom dual system, a good muffler shop should be able to build one a helluva lot cheaper than any Corvette specific X pipe you're liable to find. Some of the universal ones can be made to work on the Vette but they're really wider than they need to be.
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Old Feb 12, 2006 | 08:28 PM
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I added one to the true dual setup on my 84 Monte, and noticed a substantial torque boost from 1200-2200 rpm. It wouldn't climb hills in fifth gear at 1600 rpm at about 50 mph, now it strolls right up the same hills with less harshness. A h-pipe would have done the same, but Husker Performance sold an X-pipe that welded right in without wrecking the whole system I had built, and it was only 38 bucks! I can't find their website now %%^#@ but I tried so I could post a link.

P.S. I have no dyno results of anything.
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Old Feb 12, 2006 | 11:12 PM
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Just recently put a set of Heddman Elite headers with custom true set of duals - with crossover pipe - set of Dynomax Turbo muffers.
Runs and breathes soooooooooooo much nicer ------- plus a nice throaty sound. We installed the O2 sensor and EGR back into the headders ------- no changing of computer.
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Old Feb 13, 2006 | 12:03 AM
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ive got tpis longtubes and bought some 3 inch mandrel " U-bends" and then i bought a 3" MTI X-pipe for the c-5. had my buddy weld it all up to a B&B 3" systm, substituting the X-pipe for the B&B resonator. it sounds great!!!!!!!!!!!
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