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EJ20 to EJ25

2K views 3 replies 3 participants last post by  awd4life 
#1 ·
Hi i was wondering if someone could help me. A friend of mine is selling his Greddy power extreme 2 cat back exhaust off his 04 wrx. Does any one know if this exhaust will suit my car (07 wrx) even though his motor is a 2.0L and mine a 2.5L. I know it actually does fit but will the engine have any repocussions or run sluggish or anything.

Hopping all you experts out there can help
 
#4 ·
And thus the magic of marketing!!!

You shouldnt have any problems.

I have been told that the 06-07 WRX and the STi have the same exhaust. The only difference is the DP. That was from a Cobb Tech.

My buddy was selling his STi exhaust and I was all down to buy it, and then I did my research and found that little tidbit out. It just seemied like the exhaust had a ton to do with the extra 70 hp that the STi had. Guess not as much as I thought.
 
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