i bought a Oettinger (made by remus) cat back for a nice price (399€) for my b5 s4, the piping is 65mm so a little over 2.5 inch

here are some pics...

http://img216.imageshack.us/my.php?image=54a61tq7.jpg

http://img180.imageshack.us/my.php?image=77e01qw4.jpg

http://img216.imageshack.us/my.php?image=6e741mh5.jpg

now my question, as you can see before the middle damper tehre is a sort of T piece were the original tube from te cats come together.

what option do i have in the future to go full stage 2+ with downpipes and cat replacements???

i mean , i see most exhausts have 2x55mm or so tubes till the end, but this is one time 65mm, can i place two homemade cat replacement with downpipes and let them come together to one 65mm and then till the back of the car?

ir is this cat back just good as a cat back and if i wanne place k04's i have to sell it and buy other exhaust?

thank!!!


and mostly i read that chipped s4's make approx 310-315bhp, will a cat back like this result in a good power gain over just chip?

my car will be remapped on the rolling road with laptop, not plain chip.

 

any input on this one?

thanks!

 

some advice please, thank you!

 

Idk how i feel about this exhaust, I deffinatley bet its soem of the best quality out there, just knowing Remus. however i dont know how i feel about 2 into 1 back out to 2 seems impractical when u have a turbo car and u want to get rid of the exhaust as fast as possible and keeping the fastest flow. But then again im also a firm believer that changing your exhaust isnt a 40HP gain, it just makes the power smoother and maybe come on a little harder.

But yea put that on the car lets hear some clips and get your position on the exhaust. I do love the remus tone so i bet it wil sounds excellent.