My 04 Sentra (1.8 s automatic) is a great car, like all b15s, but it really lacks power and it's got 195,000 miles on it. Anything I can do to the engine to increase power and longevity? Im willing to engine swap for something more powerful, but I'm not confident in my transmission handling it and I don't know how hard a transmission would be, any suggestions?
You can upgrade your exhaust by getting a new muffler and exhaust pipe, and then let a shop weld it on. Adding a CAI and new headers can provide some power also.
Where can you get headers without the cat attached?
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