Hi, I'm from Chile. I have a swift sport 2015 vvt 1.6 m16a. I wanted to ask you for some advice Currently I have it with an exhaust line in 2 inches 4x1 exhaust manifold (sold in chile) Induction (made by me) ECU with reprogramming Currently this with 128whp My problem is that I install a 58mm throttle body and the car loses hp my afr is very poor