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Tech Help
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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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Customers

Hannu O.

Hannu O.

thank you very much from Finland!
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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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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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Maurice

Maurice

Maurice 73 Dodge Dart
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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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Kayden G.

Kayden G.

Well your service is amazing. Never had better from any company I've ordered from! Kayden
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Clay B.

Clay B.

Thanks for everything !
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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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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Toby W.

John, Thanks again so much. You're truly awesome.
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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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Bob F.

Bob F.

Plymouth 426 Hemi
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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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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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Harold R.

John, Thanks for the great customer service! Harold
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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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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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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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David A.

David A.

Thanks for everything, David
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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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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Shaine D.

Wow! Thank you for that quick and informative response. Must be why you are always recommended. Shaine
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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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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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Perrin Blow Off Valves

Inefficient factory blow off valves (BOV) can hinder boost response during shifts and can damage your expensive turbo charger. PERRIN™ offers several choices for owners to choose the best solution to the problem.
Fully recirculated (Recirc see ASM-INT-600)
For clients that demand proper air fuel ratios and idle quality we offer a fully recirculated BOV. The internal design allows the user to change the volume of recirculated air, spring tension and sound. It also incorporates an industry leading boost chamber that does not place pressure on the piston surface that would otherwise force it to open prematurely. It will only release pressure when shifting. This condition is common with our so called competitors, leading to serious tuning issues and reduced power.
Capable of handling more than 190 psi, there simply isn’t a boosted engine that our BOV can’t handle.
Vent to atmosphere (VTA)
Many clients simply want the street presence of a loud phhsst when making a high rpm shift. If that sounds like you, we have your needs covered. With exclusive harmonic amplification cutouts, this valve is LOUD! Also, adjustable spring tension helps reduce rough idle and stalling found in other products.

Available in both red and black to compliment your vehicle



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