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Customers

Steven

Southeast Performance and John Mercedes have been "OUTSTANDING" to do business with. I couldn't be happier.
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Maurice

Maurice

Maurice 73 Dodge Dart
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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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Bill S.

Bill S.

Thanks John, 426 Hemi stroker 588 https://www.youtube.com/watch?v=1dJdt0ZFzjU
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Steve V.

Steve V.

You are the only guy who I trust to do the most important thing I'll ever do to my Roadrunner, a car that means more to me than any inanimate object...
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Kris L.

John, Sitting in the car with a big smile on my face. Thanks for the quality brand products and the great price. Cheers Kris
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Troy K.

Troy K.

Thanks for all your great help with my Viper.
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Brian A.

Brian A.

The 408 engine runs strong, put on dyno 405hp with 415tq N/A not shabby.. also was on 22" wheels with those numbers est. 500-525 @ crank. Thanks so...
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Matt G.

I just want to say thanks for all that you have done for me, because over the weekend I was the fastest R/T out there with no power-adders and still...
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William K.

William K.

Well your service is amazing if you want my opinion. Never had better from any company I've ordered from. William K.
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Matt C.

Thanks again John, someone who’s willing to help and not just sell parts. So, looks like you’ll be listed on my referrals. Keep in touch. Thanks...
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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Robert S.

Robert S.

Great parts and service! Robert
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Daryl S.

Your 408 runs like a dream. I think we are well over the 400hp side, a new 300hp mustang could not overcome, it is a beast. I am very happy with the...
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Bob F.

Bob F.

Plymouth 426 Hemi
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David A.

David A.

Thanks for everything, David
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Mitch C.

Awesome work! Glad I went with you guys! Anyone I know of that wants to build I'll send your way! Thanks John! Your the man!! Mitch
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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Carl E.

Carl E.

Dodge SRT-10 Viper
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Rob D.

John is a real awesome guy. i couldn't thank u enough for all the help over 7-8 years.
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Marko T.

Marko T.

Hi John! Thanks again for the great service! Marko T. Finland
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Gary H.

Gary H.

John, Thanks a lot !
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Nissan Cylinder Heads

Nissan KA24

5-Axis CNC Porting, CNC Combustion Chambers, New Bronze Guides, Diamond-Honed Guides to Spec, SERDI Competition Valve Job Port Designed Around +1mm Valves. Flow Numbers Available upon Request. Valvetrain Packages Available.




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