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2015 q50 AWD 3.7

Currently have a Non resonated FI test pipe, stillen CBE and AEM short ram INTAKE. above 3k RPM terrible rasp, i know its common but now its time to fix it. Ive been told too many things to actually pick which route i want to go.

Ive been told
HFC
New resonators
new exhaust
xpipe

Which is the correct one to reduce / fix the rasp.
 

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Registered
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2015 q50 AWD 3.7

Currently have a Non resonated FI test pipe, stillen CBE and AEM short ram INTAKE. above 3k RPM terrible rasp, i know its common but now its time to fix it. Ive been told too many things to actually pick which route i want to go.

Ive been told
HFC
New resonators
new exhaust
xpipe

Which is the correct one to reduce / fix the rasp.
I had the same issue with my 3.7 Q when I did a muffler and resonator delete. Horrible decision as car was just wayy too raspy and drony. Went back to the shop and had them weld back on the resonators and that eliminated all the rasp and took out a good 50% of the drone if not more. If you have your original resonators I would recommend putting them back on, if not just buy an aftermarket one and it should help a lot. Hope this helps!
 
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