Quote:
Originally Posted by Frank 135i Vert
So...I just picked up the car from the dealership and drove it home. Initial impressions...I wouldn't say it's louder but it's a nicer deeper rumble. There's more snap, crackle and pop at decel...and throttle feels a little sharper. Attached is a video after warm up in my garage.
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Sounds great! Good thing you have the P3 to clear the CEL. My question would be, will it pass the sniffer? If yes, then it makes sense to go with an aftermarket DP with cats for the added HP and sound, while still passing emissions both visual and sniffer. If no, wouldn't you want a catless DP since the emissions result will be the same but with even more HP and sound? Just curious as I am too interested in an aftermarket DP but don't know if it's worth the hassle come emission time here in CA.