our cars shouldve come with adjustable throttle responses to begin with. so even with or without a tune if it improves ur driving enjoyment, i say go for it.
not like sprint booster costs much anyway, and easy to install.
wat i like best about it is u can set it up one way and forget about it.. and no need for outside intervention. i like dat. i hate taking my cars to the shops just to get a tune.
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