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Old 31-10-13, 20:17   #5
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Originally Posted by hdtf-18 View Post
yeah the only time it would be closed is if i got pulled over which is the reason i like the idea of it and just wanted to see if anyone knew once fully opened if it were as good as having a dedicated performance exhaust thats made without cops in mind at all.

anyone know on legality issue?

JetR31 in a nutshell are u saying they are a good performance mod or unsure as u havent used one urself. any help and opinions grateful for
It's similar to the Bi-Modal system on the E2 onwards HSV's. Depending on what setting you've put it on, at full throttle it will 'open up' so to speak, and perform the same as that of any normal exhaust.

And I believe they are illegal, but obviously it would be easy enough to get around that.
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