[FalconXV]

Ok following some impulse eBay shopping, I have some pacemakers on the way, which necessitates a full exhaust system upgrade. I was thinking of a 2-inch exhaust system as I’ve read elsewhere that any bigger and you loose too much backpressure.

Been quoted $350 for a high flow cat but given that’s a sizeable portion of the car’s price I can’t really justify this. Is there a universal fitment for catalytic converters or a guide somewhere? I want to find something cheap and off the shelf that works if possible.

Also is a K&N cold air filter a WOFTAM? Or will it be better than a K&N square filter?