M Mike D New member Aug 21, 2009 #1 hmf swamp xl series exhaust? i also want to know if i really have to spend $300 on the hmf optimizer or can i just get one of those cheap chips for under $50 will they give me the same performance or not as much
hmf swamp xl series exhaust? i also want to know if i really have to spend $300 on the hmf optimizer or can i just get one of those cheap chips for under $50 will they give me the same performance or not as much
