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Tech Help
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Tuning and Controllers->
Turbocharging->
  |_ AGP Turbo and Accessories
  |_ HEMI 5.7L,6.1L TwinTurbo Kits
  |_ Turbo Accessories->
  |_ Turbo Blow Off Valves->
    |_ Apexi Blow Off Valves
    |_ Blitz Blow Off Valves
    |_ Greddy Blow Off Valves
    |_ HKS Blow Off Valves
    |_ Perrin Blow Off Valves
    |_ Turbo XS Blow Off Valves
    |_ Turbonetics Blow Off Valves
    |_ Vortech Blow Off Valves
  |_ Turbo Intercoolers->
  |_ Turbo Timers->
  |_ Turbo Wastegates->
  |_ Turbochargers->
Valvetrain Components->
Viper
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Wideband Monitoring Systems->
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Customers

Bob F.

Bob F.

Plymouth 426 Hemi
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Mike M.

John's very honest, something that's hard to find these days. This means he'll tell you the truth and you may not want to hear it. LOL. The best...
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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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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Ian A.

Ian A.

I wanted to thank you for all your help and support, for being so patient and for being a good, honest person and especially so professional....
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Ryan

bought numerous things and all transactions went very smooth. Responded to emails within a day or less. Ryan
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Robert M.

John, Thank you for all you have done, From your previous email responses, you seem to be old school, a man of his word. Thanks again John for...
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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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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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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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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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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Gary H.

Gary H.

John, Thanks a lot !
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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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Kyle M.

Kyle M.

John, I am very pleased with the brake conversion. The kit was very easy to install and I didn't have any problems and look very good as...
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Taylor M.

Taylor M.

Thanks a lot John !
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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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Bruce P.

Bruce P.

You’ve got a big fan in me. Oh yeah, the car is awesome. Runs like a raped ape. So thanks a lot !
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Derek B.

Derek B.

Great Personalized service. Derek
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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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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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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Blitz Blow Off Valves

The Blow-off valve is essential to all turbocharged vehicles. The purpose of the BLITZ Blow-off Valve DD is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards (compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure changes only, ensuring quick valve responses and complete closures at idle. The BLITZ blow-off valve not only improves performance and response, but also increases the life of the turbocharger.

Features:

DD (Dual Drive) for maximum response (small port for low boost + larger port for high boost)

• Includes mini SUS filter

• Urethane gasket to ensure complete seal

• Tension adjustable

• Holds to 1.2 BAR (18psi)

• Available hard spring for high boost applications


Contact Southeast Performance for many other applications.




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