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Need advice on diverter valves and air filter

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Old 10-27-2004, 04:20 AM
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Default Need advice on diverter valves and air filter

I have a 2002 S4

I am putting in a GIAC chip
Bosch diverter valves 110/710N
Borla Cat back exhaust

-Do I need a drop in air filter and throttle body boot, adn where can I get them?
-Also, where can I buy the Bosch diverter valves?
-Lastly, how much crank HP should I have when I am done?
Old 10-27-2004, 04:26 AM
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probably less than 320hp.
Old 10-27-2004, 04:35 AM
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Default IMO..stock filter is fine, VW dealer for BPV, I am +20K miles on stock TTB with my chip.

I have a spare stock TBB in the trunk, but if want an upgraded TBB, almost every tuner sells them. Just call them. ~$75 for a TBB. VW charges me ~$32 ea for BPVs.
Old 10-27-2004, 05:56 AM
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Default Re: IMO..stock filter is fine, VW dealer for BPV, I am +20K miles on stock TTB with my chip.

I was looking to get Bosch 110/710N diverter valves. I am not sure where to get these.
Old 10-27-2004, 05:58 AM
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Default STFA for "710N part number" in this forum, and then go to your local dealer

to buy them. They are the stock BPVs from a TT, so it's an OEM Audi/VW part.
Old 10-27-2004, 06:07 AM
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Default Are those the ones you think I should get?

Any other suggestions?
Old 10-27-2004, 06:42 AM
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Nobody has proven to me why any other ones are better.
Old 10-27-2004, 06:42 AM
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Default like I said the other day when you asked: people like 710Ns, Baileys & Forge

The Baileys and Forge cost like $300 for the pair. The 710Ns are MUCH, MUCH cheaper.
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