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

Who has EM headers

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Old Jun 16, 2015 | 07:19 PM
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Default Who has EM headers

Looking at getting some Exotic Muscle headers. One of the big draws to me is they sell extensions that will bolt right up to my catback, so I don't need to mess with a muffler shop.

From my searches I read one negative but their weren't a lot of people that actually said they had them.

So how many people are running them?
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Old Jun 16, 2015 | 07:38 PM
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Find another company. I bought them and had fitment issues. Merle's solution was to not return my phone calls. The guy is a pos.
If you have any problems you will be ignored.
I felt the same way as you but it wasn't worth the aggravation.
Many other good reliable sources available.

Last edited by artvette; Jun 16, 2015 at 07:40 PM.
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Old Jun 16, 2015 | 07:48 PM
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I have read you're complaints before and are noted. Hoping for others to chime in.
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Old Jun 16, 2015 | 08:40 PM
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If anyone knows of a header that has the extensions that will bolt up to a stock exhaust, please chime in. And a link would be great also.
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Old Jun 16, 2015 | 09:51 PM
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I have been running EM headers on my car for nearly 10 years. There were no fitment issues, 1994 coupe. Even if the extensions say they will just bolt up you will still need to remove some length from the forward tubes on your cat-back.
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Old Jun 16, 2015 | 09:59 PM
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I have a used pair sitting in my basement, PM me if your interested
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Old Jun 17, 2015 | 03:39 PM
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Originally Posted by STL94LT1
I have been running EM headers on my car for nearly 10 years. There were no fitment issues, 1994 coupe. Even if the extensions say they will just bolt up you will still need to remove some length from the forward tubes on your cat-back.
I don't have a problem with that. I want to keep my resonator and the x on my MagnaFlow that's all.

I'm surprised their are no more replies.
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Old Jun 17, 2015 | 08:48 PM
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TPIS here, good quality; I think most here agree.

I thought most were happy with EM too but no personal experience.
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Old Jun 18, 2015 | 07:13 AM
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I have a set on my 95. I had to trim a small part of one motor mount plate if I remember correctly. No leaks, fit well, no complaints.
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Old Jun 18, 2015 | 07:55 AM
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I have a set. While not bad, I would buy stainless headers if I had it to do again. My drivers side header is tilted up about 1 in or so more then the passenger header. I did not realize this for a long time, but it caused the O2 sensor to rub the body of the vehicle. I purchased a plug for the O2 sensor on the collector and moved it back on the exhaust system. Here is a picture of the header.


Also, the extentions would not work with my automatic. We ended up cutting the stock exhaust which is 2.75 in. and then using a straight piece of 3in pipe off the collector. It would be better to use a reducer at this point, but we were in a hurry, so I just welded the 3in. to the 2.75.

Oh, wanted to add. The coating lasted less then 6 months and started getting rust spots. When we rebuilt the motor, I had them sand blasted and recoated. ($300.00) But again, its starting to rust. Again, if I had it to do again, id go stainless.
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Old Jun 18, 2015 | 09:37 AM
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I have them on my 85 - one of the first mods I did, so they've got some years on them. Had to cut out part of a bracket on the passenger side, but that was it. Didn't get stainless, so they look worn.
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Old Jun 18, 2015 | 08:57 PM
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93 ragtop. Thanks that's some useful info.
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Old Jun 18, 2015 | 10:41 PM
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Had 2 sets, one on my 90 convertible with a 396. Second set I had for my 421.
The 396 has AFR 195 heads and Corsa exhaust, I had the extensions also and they hit up with no issues.
The 421 had fitment issues unfortunately I couldn't get resolution from EM to get them to fit, so I gave them to a friend.
Overall the headers are okay, was disappointed with the customer service which is too bad because I was ready to spend a lot more $$ with EM
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Old Jun 18, 2015 | 10:44 PM
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Buy the set 9T3 has....

https://www.corvetteforum.com/forums...post1589856181
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Old Jun 19, 2015 | 08:18 AM
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Originally Posted by kmillar
Had 2 sets, one on my 90 convertible with a 396. Second set I had for my 421.
The 396 has AFR 195 heads and Corsa exhaust, I had the extensions also and they hit up with no issues.
The 421 had fitment issues unfortunately I couldn't get resolution from EM to get them to fit, so I gave them to a friend.
Overall the headers are okay, was disappointed with the customer service which is too bad because I was ready to spend a lot more $$ with EM
It seems like it's hit or miss with them. I was pretty sure my problems weren't an isolated occurrence.
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Old Jun 29, 2015 | 06:04 PM
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I just ordered a set of Melrose. Hopefully all is good as I have heard good about them. Didn't buy EM not so much on the quality, but I have read from more than one person about bad customer service.
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Old Jun 29, 2015 | 06:16 PM
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Originally Posted by STL94LT1
I have been running EM headers on my car for nearly 10 years. There were no fitment issues, 1994 coupe. Even if the extensions say they will just bolt up you will still need to remove some length from the forward tubes on your cat-back.
been running mine without issues since eariy 2005. I had to cut the joints on the header extension pipes and weld them together instead of bolting them but other than that easy install and quality power coating.
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Old Jul 8, 2015 | 09:54 AM
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Got my Melrose headers the other day. Really god quality and the coating looks very good. Have read very good things about their coating.

Should be installing in the next couple of weeks.
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Old Jul 8, 2015 | 01:12 PM
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Been running mine for a couple of years now

so far so good
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Old Jul 8, 2015 | 02:10 PM
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Originally Posted by 93 ragtop
I have a set. While not bad, I would buy stainless headers if I had it to do again. My drivers side header is tilted up about 1 in or so more then the passenger header. I did not realize this for a long time, but it caused the O2 sensor to rub the body of the vehicle. I purchased a plug for the O2 sensor on the collector and moved it back on the exhaust system. Here is a picture of the header.


Also, the extentions would not work with my automatic. We ended up cutting the stock exhaust which is 2.75 in. and then using a straight piece of 3in pipe off the collector. It would be better to use a reducer at this point, but we were in a hurry, so I just welded the 3in. to the 2.75.

Oh, wanted to add. The coating lasted less then 6 months and started getting rust spots. When we rebuilt the motor, I had them sand blasted and recoated. ($300.00) But again, its starting to rust. Again, if I had it to do again, id go stainless.
93ragtop, I think I have the same EM ceramic coated headers you do and yes, I run into the issue with the driver side 02 bung being useless in its current location. Though, I'm not running duel 02s, I may want to. Mine are 1-3/4" into collectors that have a 3" inside diameter that is a slip fit design. I have to say, I wish I had gone with a header that has the 3 bolt flange design. Any pics of your exhaust setup? I may copy it. Slip fit seems like such a crapshoot for exhaust leaks. I'm guessing welding to the ceramic coating doesn't present an issue.

Last edited by 1985 Corvette; Jul 8, 2015 at 02:14 PM.
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