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Prototype G6

If one reads the blurbs correctly on the prototype G6, achieving the 270 hp with a 3.9 should be easy without going to the company.
Blurb says that GM added a K&N filter and a cat back exhaust to achieve that rating so a CIA and cat back should do the same and in fact should be better. News makes me feel good!
GTPdriver
 

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GTPdriver said:
If one reads the blurbs correctly on the prototype G6, achieving the 270 hp with a 3.9 should be easy without going to the company.
Blurb says that GM added a K&N filter and a cat back exhaust to achieve that rating so a CIA and cat back should do the same and in fact should be better. News makes me feel good!
GTPdriver
The G6 GXP show car ,also had polished/ported heads and a tuned ECM. :)
 
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