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Wow, good deal and great condition! Should sell quickly.
 

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2017 Q50 Red Sport 400 RWD
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That's a great price. Location? I'm not so sure that exhaust is meant for all the engine ranges you listed. Stillen has different part numbers for each of those different engines. I think the CB you are selling is meant for the 3.0t and is model number 504451.

The part number you list, 504440, is the CB meant for the 3.7 which has resonators upstream, not seen in your photos.

This is a great exhaust but I recommend it only for someone who doesn't plan on replacing their OEM LDPs with cattless LDPs. The combo of no cats and no resonators causes drone.
 
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Discussion Starter #5
Located Vancouver BC, Canada. Conceptzperformance have it listed for all models. This is the 504440, the 504451 exhaust muffler canister are different, and so is the piping (from 2 to 1 back to 2 exit muffler).
 

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location please ? PM u
 

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Located Vancouver BC, Canada. Conceptzperformance have it listed for all models. This is the 504440, the 504451 exhaust muffler canister are different, and so is the piping (from 2 to 1 back to 2 exit muffler).
504440 has resonators.
 

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On the stillen site - I don't see this as listed for the 3.0t but it looks like I'd be like 9th in line to put in an offer anyways for it.... lol - is this already gone or still available?
 

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On the stillen site - I don't see this as listed for the 3.0t but it looks like I'd be like 9th in line to put in an offer anyways for it.... lol - is this already gone or still available?
On the Stillen site, I see it listed as only for the 3.0t. ;) People flake all the time. You might have a good chance. :)
 

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That's what I posted previously. What he is selling is not a 504440. It's a 504451. It does not have resonators. It's a great exhaust. But will give drone if you replace the OEM LDPs with aftermarket.
I see resonators in the mid pipe in his pics? What are we missing Tater?
 

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Oh sh!t me. You are right. I am blind. I apologize. Yes, this is the 504440 for the 3.7. Sorry.
: - S
 
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So how (based on Stillen) will this 3.7 exhaust work on a 3.0t?
It will physically fit. It just can be argued that it was not designed for the 3.0t. But resonators are good!
 
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