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A New Product->
Adjustable PCV Valve Stops Leaks
Air Conditioning Custom Kits->
Automotive and Marine Covers
Brakes->
Carburetor Modifications
Carburetors->
Chrome Accessories->
Chute Kits->
Clutches->
Cold Air Kits->
Custom Hoods->
Custom Parts Development->
Cylinder Head Porting->
Electric Cooling Fans->
Electronics and Delay Boxes->
Engine Blocks
Engine Parts->
Engine Swap Kits
Engines->
Exhaust Components->
  |_ Cat Back Exhaust Systems->
    |_ Apexi Exhaust Systems
    |_ Bassani Cat Backs
    |_ Blitz Exhaust Systems
    |_ Borla Cat Backs
    |_ Chikara Cat Backs
    |_ DynoMax Cat Backs
    |_ Edelbrock Cat Backs
    |_ Flowmaster Cat Backs
    |_ Flowtech Cat Backs
    |_ Ford Racing Cat Backs
    |_ Gibson Cat Backs
    |_ Greddy Exhaust Systems
    |_ Hedman Cat Backs
    |_ HKS Exhaust Systems
    |_ Hooker Cat Backs
    |_ Mac Cat Backs
    |_ Magnaflow Cat Backs
    |_ Mopar Cat backs
    |_ Pacesetter Cat Backs
    |_ Perrin Exhausts System
    |_ Preditor Cat Backs
    |_ Rousch Cat Backs
    |_ Supertrapp Cat backs
    |_ Tanabe Cat Backs
    |_ TFX Cat Backs
    |_ Thunder Muff Cat Backs
  |_ Exhaust Components->
  |_ Exhaust Cut Outs->
  |_ Exhaust Headers->
  |_ Mufflers->
Exterior Vehicle Components->
Fasteners->
Fire Equipment->
Floor Mats->
Fuel Injection Systems
Fuel System Components->
Gaskets->
Gauges->
Gear Venders Overdrive Units
Ignition Components->
Lift Kits->
Lowering Kits->
Nitrous Kits->
Race Car Bodies->
Race Wear and Accessories->
Radiators and Components->
Rear End->
Roll Cages and Accessories->
Seats and Custom Interiors->
Shocks->
Spark Plugs->
Striker Viper heads Return
SuperChargers->
Suspension Components->
Tech Help
Throttle Bodies->
Tires->
Traction Components->
Transmission Components->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

Ken L.

John, Thanks for all your help. I wish I had known about you before I ordered the rest of my stuff! Thanks, Ken
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Don S.

John, I can't emphasize this enough, but without the help you're getting me I could not have afforded my dream engine! I literally have cringed when...
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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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Bruce P.

Bruce P.

John, you have been so prompt and helpful. Take care my friend and thanks again. I'll be back. Bruce
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Dan B.

Dan B.

Dakota R/T 408, Thanks for everything! Dan https://www.youtube.com/watch?v=wZekmXKYXA4
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Michael D.

I just wish there were more guys like you around for us gen3 guys. Most just want a sale and don't care to actually help let alone give advice or...
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Ricky J.

Thanks for all the info, you have been a great help and a credit to your company.
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Vincent G.

Thanks for all, Your shop is very highly recommended by a lot of Dakota/Durango owners up here in Canada.
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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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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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David C.

Southeastern Performance has my vote. Thanks again!
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Colton H.

Colton H.

"Johns the man, bought a 410 package from him years ago after I got back from overseas. The caveat I gave John was that it had to pass Californian...
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Dan F.

Dan F.

John, The truck is not done but i drive it daily and it runs good now. Eventually id like to do the rear brakes! Thanks
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Robert S.

Robert S.

426 Hemi Cuda
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Josh F.

I've bought parts and dealt with vendors in my job every day for the last 15 years. I have never dealt with a vendor as helpful and punctual as you...
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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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Alan P.

First off, I just have to say that I have never came across a more stand-up guy that takes his time to connect with his customers and have the...
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Steven

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

Chris B. won the late model feature easily Texas Motor Speedway.
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Scot C.

Scot C.

Thanks for everything John. We will be doing business again. At Nationals 6.38 on a 6.54 dial in.
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Toby W.

John, Thanks again so much. You're truly awesome.
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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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William K.

You do outstanding work man. My whole crew is ready to see your work in action ;-)
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Hedman Cat Backs

Hedman believes that a good set of headers should be made to last, as well as add performance. That's why each Hedman Hedder is made by hand, in America. Hedman Hedders were originally designed for racing but they give tremendous boosts of power and performance to street vehicles as well. Since headers naturally increase the efficiency of a vehicle's engine, you will experience improved power for passing, hauling loads, towing, etc. by simply bolting a pair on in place of your exhaust manifold. Hedman Hedders are designed specifically for each application and are, dollar for dollar, your best performance investment.





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