Re: What kind of speedster do I have here?? Home › Forum › Ask A Member › What kind of speedster do I have here?? › Re: What kind of speedster do I have here?? gofastgrampsUS Member - 2 YearsReplies: 54Topics: 25 February 1, 2018 at 4:34 am #70494 how does the auxiliary air intake opening work?