2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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I have the Airaid CAI and the magnaflow competition catback installed on my mustang so i was just wondering if a tune would make any difference in the performance of the car and if its still too early for me to tune it?
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Any time you add airflow to a modern, computerized vehicle, tuning will always let the car take advantage. In some cases, intakes and exhaust without a tune, can actually lose hp as well.
The S197 Mustang gains a considerable amount of power from tuning alone, and a bit from exhaust. Probably the biggest change in air flow is going to come from the mid pipe. If you plan on keeping the cats, get it tuned, otherwise, wait.
The tune will make a HUGE difference.
They have tuners and offer free tunes for life. And forum members get a discount!
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even if the car is stock, a tune will make a difference as any power increase given by the exhaust and intake is at this point pretty much negligible on the 5.0 from the factory as it already has quite large exhaust piping volume, given the engine size and power level, and the intake is already as large as throttle body diameter and has a decent path.
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Your no-tune stand-alone CAI might be gaining you 3-5 RWHP, if that. Add a good custom tune and you'll sitting about 20-35 RWHP over stock, depending on if you have the 3.7L or 5.0L. The exhaust gains nothing nor does a tune help an aftermarket exhaust. Your exhaust work only improves the exhaust note.
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