This Tanabe knock-off has been available for the coupe for quite a while, but I believe the sedan version is new. It states it is a cat back, but the picture looks like a y-pipe back system.

Coupe reviews say great sound, but some had issues with quality.

Infiniti G35 G37 Sedan 07-11 Catback Exhaust System Systems by Top Speed Pro-1 | eBay

 

Thanks for the link, do you have a link for the coupe version? I have a sedan but would like to hear some reviews if possible. looks nice & the price is definitely something that would be easier to get by the wife

 

Im also thinking of getting this. I dont know why Infiniti neutered the exhaust note on the sedans. My friends 08 FX35 sounds better than my 09 G37S. Infiniti should have at least kept the note throaty on the Sport models.

 

Definitely agree with you, Infniti really gutted the exhaust tones in general on the 08+ infinitis