Tuners Hypertech or Flashpaq

Bruteaholic · 06-10-2008, 10:15 AM

Do they work? It boasts 21hp gains, what would I notice realistically in a 03 Gmc 1500HD Crew Cab with a MagnaFlow cat back exhaust? Which one is better? Do you have to re-program if you disconect battery for any reason?

mrjohnwayne · 06-10-2008, 10:42 AM

yes they can increase hp and 21 does seem like a realistic number. Not sure about which on is better. On my old 97 5.7 chevy I used a hypertech and is was nice (had to run premium though or it would ping)

no if you disconnect the battery you should not have to reprogram.

Bruteaholic · 06-10-2008, 02:56 PM

Thankx for reply.Premium you say? Ouch, the way the gas prices are going these days I can barely afford the crappy stuff.Don't mind loosing a little gas mileage,but don't really want to pay extra for the tank.

06-10-2008, 10:15 AM	#1
Bruteaholic Full Member Join Date: Dec 2007 Posts: 13	Tuners Hypertech or Flashpaq Do they work? It boasts 21hp gains, what would I notice realistically in a 03 Gmc 1500HD Crew Cab with a MagnaFlow cat back exhaust? Which one is better? Do you have to re-program if you disconect battery for any reason?

06-10-2008, 10:42 AM	#2
mrjohnwayne Senior Moderator Join Date: Apr 2005 Location: Texas Posts: 3,792	yes they can increase hp and 21 does seem like a realistic number. Not sure about which on is better. On my old 97 5.7 chevy I used a hypertech and is was nice (had to run premium though or it would ping) no if you disconnect the battery you should not have to reprogram. __________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4

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06-10-2008, 02:56 PM	#3
Bruteaholic Full Member Join Date: Dec 2007 Posts: 13	Thankx for reply.Premium you say? Ouch, the way the gas prices are going these days I can barely afford the crappy stuff.Don't mind loosing a little gas mileage,but don't really want to pay extra for the tank.