headers
Take the money and instead of spending it on headers or a programmer, sign up for English lessons instead!
Seriously, you should work towards both, but the logical progression would be 1) exhaust, 2) CAI, 3) Tuner, then 4) Headers. The Tuner will wake up the exhaust and CAI and the headers would be a waste unless you had the exhaust and CAI in place already. With the Hemi, don't waste your money on shorty's. Best gains by far are with long tube headers. If you have inspections then at least get mids...
Seriously, you should work towards both, but the logical progression would be 1) exhaust, 2) CAI, 3) Tuner, then 4) Headers. The Tuner will wake up the exhaust and CAI and the headers would be a waste unless you had the exhaust and CAI in place already. With the Hemi, don't waste your money on shorty's. Best gains by far are with long tube headers. If you have inspections then at least get mids...



