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  |_ Cat Back Exhaust Systems->
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    |_ Southeast Performance Headers->
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Tech Help
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Customers

Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Alexander F.

Alexander F.

Hey John! Roller Rockers are still in and have been great. I get almost 18mpg highway! I seriously appreciate all your help.
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David A.

David A.

Thanks for everything, David
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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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Clay B.

Clay B.

Thanks for everything !
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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Carl E.

Carl E.

Dodge SRT-10 Viper
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Marko T.

Marko T.

I have been building cars over 20 years and you have been the best parts dealer ever! Thanx for your friendship! -Marko, Finland
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Robert S.

Robert S.

426 Hemi Cuda
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Henry T.

Henry T.

HEY! Everything is installed and car runs AWESOME! Thanks for everything, Thanks again. Henry 2000 Dodge Viper R/T 10
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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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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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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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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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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Brian R.

John!! Got my Viper back together, dyno tuned. Super happy with the results of your work!! Gained 112 RWHP and 107RWTQ!!!!! More at the crank. Sounds...
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Darren B.

Darren B.

John,Racing flat out on the 440/533 engine over 1 season & 65 passes at 8.97@150mph 1.27 60' getting great results!!Engine is GREAT!Thanks mate!
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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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Barbara H.

John, Thanks again for making Colton's dream come true! The truck is in the body shop, the cowl hood arrived and the new 408 engine you built is...
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David P.

David P.

Thanks for the brake lines !
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Harold R.

John, Thanks for the great customer service! Harold
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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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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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Mac Headers

Mac Performance is dedicated to building products that meet strict quality standards. We follow exacting guidelines during manufacturing in order to insure that you receive a quality, reliable product every time. We maintain a strong committment to customer service. We promise to do everything in our power to insure that your experience with Mac Performance meets or exceeds your expectations.



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