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View Full Version : sma exhaust/sma air intake mods question

Matt5462
08-09-2005, 04:25 PM
With this combo what gains should I expect at what rpms?? Most high end cars seem to cost between $1000-$1500 for the first 20hp, then it really begins to cost to jump between 20hp-80hp-super chargers ect.
Matt5462
08-09-2005, 04:25 PM
With this combo what gains should I expect at what rpms?? Most high end cars seem to cost between $1000-$1500 for the first 20hp, then it really begins to cost to jump between 20hp-80hp-super chargers ect.