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The mkiv Supra Owners Club

restricting exhausts (help)


gaz1

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I have the Sard Mig system, it basically has a buterfly valve like on Ferrari's so she is quiet at nite under certain RPM and resonable loud on full boost so best of both worlds

 

plus u get back pressure up to certain rpm for torque then Full through system when u are u to speed

 

http://www.sardracing.com/images/products/MIGvalveclose.jpg

 

http://www.sardracing.com/images/products/MIGvalveopened.jpg

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