What is the best performance exhaust for nissan?
First of all, your question should be a lot more detailed. You should have included information about the make, model, and year of your vehicle. Second of all, even if you included all that information the answer will likely not please you. If your Nissan is naturally aspirated (that is, non-turbo) then the choice in exhaust becomes less important as the HP gains will be minimal (0 – 20 HP) either way. However, in either case it is important to select an exhaust that has the most desirable specifications, things to look for are diameter, material (what kind of metal is it made of, go for high grade stainless), etc. Some of the more controversial factors to consider are whether or not the company who made it dyno-tunes their exhausts. Many would argue that this is pointless, but on a non-turbo car especially (since you have no controlled backpressure from the turbo) this is important. This leads nicely into my next point; while there are often bargains to be found by shopping eBay, or f
