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Discussion Starter #1
Just ran across this on FRPP's site.

Apparently the '08 Power Pack uses an 85mm intake, the '05-'07 Power Pack uses a 90mm intake.

2008:

2005-2007:

The '08 kit is also $40 more.

For whatever it's worth.
 

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-5mm less... same hp gain... interesting
 

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Thats because the 90mm was overkill and they probably realised through testing that they could accomplish the same performance with a smaller intake.
 

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Discussion Starter #5
Thats because the 90mm was overkill and they probably realised through testing that they could accomplish the same performance with a smaller intake.

Sounds quite likely. But to remake a part costs a lot of time and money too. I'm not at all familiar with the JLT, Steeda, and the others... what size are those? Anyone know if they still fit ok on '08s?

And what is up with the FRPP site? That thing has got to be one of the worst updated inventory/catalog systems I've run across in recent years....
 

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08 runs different software but i dont see why they would change the whole manifold...
 

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still 80mm maf stock.. and twin 62 mm tb
 
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