A4 (B8 Platform) Discussion Discussion forum for the B8 Audi A4 produced from 2008.5

Test pipe with catback exhaust

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Old 04-27-2010, 01:04 PM
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Looks nice
Old 04-27-2010, 05:28 PM
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Originally Posted by Vinb8
Looks nice

After its done it will still get cold air from the out side and with the shield being there blocks the heat from coming in.not even sure if this will do any good the the performance.hope so...hehe
Old 04-28-2010, 04:02 AM
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What kinds of gains did the CAIs get in the B7s? I'm sure it would be comparable.
Old 04-29-2010, 06:05 AM
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Originally Posted by ThePiombino
What kinds of gains did the CAIs get in the B7s? I'm sure it would be comparable.
Im not even sure.IM sure there is some sort of gain more air travel.
Old 04-29-2010, 08:25 AM
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B8s are so vastly different from B7s that I don't think any gains seen from a CAI on that platform would be a valid indicator for B8 application.

That being said, my bro has a Carbonio CAI on his B7 avant and by far the most noticeable change is in the audio dept. Any performance gains are miniscule at best. There have been countless heated (no pun intended) debates as to whether CAIs provide any performance gains at all. Some ppl swear that they have positive effects on midrange pulls, citing that they help the engine breathe better. Others claim that OEM Audi intakes are so effective that they flow enough air even for BT setups, and have been this efficient at least for the last 10 yrs.
Old 04-29-2010, 10:15 AM
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Originally Posted by ItsDubC
B8s are so vastly different from B7s that I don't think any gains seen from a CAI on that platform would be a valid indicator for B8 application.

That being said, my bro has a Carbonio CAI on his B7 avant and by far the most noticeable change is in the audio dept. Any performance gains are miniscule at best. There have been countless heated (no pun intended) debates as to whether CAIs provide any performance gains at all. Some ppl swear that they have positive effects on midrange pulls, citing that they help the engine breathe better. Others claim that OEM Audi intakes are so effective that they flow enough air even for BT setups, and have been this efficient at least for the last 10 yrs.
Have to agree with you. For the past 2-3 platforms now, the B-chassis engines have all been coming from the factory with much improved intakes and filters that are capable of pulling in more air than most anyone could need.

Back in the day, we used to cut out rougher screens and drop in foam filters, but with these more current engines I've found the intakes and OEM paper filters are quite sufficient to support a number of higher hp mods. Now, if you're going to go extreme and push over 300 whp from the 2.0T, then you might find the need for a CAI. Otherwise, it might not be worth the time, money, or hassle (not to mention potential to fail the MAFS with oil residue). Just basing this on past experiences modding customer vehicles and the results obtained. Anyhow, CAIs always do sound better than stock though...
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