I'm farely NEW 2 tha site but I scooped up this month's issue of Honda Tuning due 2 tha fact there is a 4th Gen. 4dr. Accord very similar to mine but I want 2 know what would the best type & brand exhaust kit with or without test tube or what for the Price,h.p. & sound.What would u guys recommend for suspension with a set of 16" wheels but the lowest, smoothest,& Least Expensive.