After reading through Sharif's thread (thanks a ton man) I've read that the manifolds are different on the 07's. I'm looking to pick up Amuse R1 Titan and while I was at it, I was going to go for the R1 or R1000 Ti front pipe (basically y-pipe with integrated test pipes). My question is: Has anyone tried to bolt up 03-06 aftermarket Cats and/or Y-Pipe yet? All the threads I've seen have just been catback or Y-pipe back installed. Theoretically, if 03-06 HFCs or Test Pipes bolt up then the R1/R1000 should bolt up too but I need to be absolutely sure before I drop an additional $1300 on something that might not fit. Has anyone heard anything about Amuse recalling their front pipe because of A/F issues (it made cars run way too lean)?

Also, any vendors that can beat Gruppe-S' price on the R1 Titan? $2150 is looking mighty sweet compared to some other prices I've seen.


edit: Its going to be a while before I get an answer, everyone is busy reading the thread in FI LOL.

 

yea the thread in the FI section is serious
)
I believe the flanges are different from the header to the cat on the '07. If i remember correctly someone purchased test pipes and tried to put them on their '07 and had to learn the hard way. Someone will speak up if i'm wrong, i'm sure of that

 

Upon actually going back and reading threads instead of searching I can see that Test Pipes/Cats will not mount up. My next question is what about the outlet of the TP/Cat - is that in the same location (thus using older y-pipes possible)? If that's the case, I'll go with the Top Secret Ti Y-Pipe and get cats when they become available. Its going to take forever to get my hands on the Amuse and Top Secret stuff but itll all be worth it.

 

Cats/test pipes can be modified by installing stock cat flanges where it bolts to the headers.

J

 

and yes from the cat exit back everything is in the same place and everything should work

 

That might work for a now solution, I'd like to get Ti test pipes (the weight savings won't be much over stainless but still).