Another Happy PCMFL Customer
#21
10-08-2007, 07:31 AM
RE: Another Happy PCMFL Customer
if i geta pcm... and then add exhaust... will i need to pay and have it re programmed?
#22
10-09-2007, 12:28 AM
RE: Another Happy PCMFL Customer
I would go ahead and get it tuned for the new exhaust, it won't kill you with the stock pipes with new tuning. One day soon you'll drop the new pipes in and it's ready to go.
If you don't install an aftermarket cold air intake you should look at least buying a K&N factory replacement high flow filter and have PCMFL tune for that too. You're only solving 2/3 of the puzzle by tuning the PCM and adding dual exhaust. You need more air flow into the engine to go with the new exhaust which should be a non-restrictive type that opens up the flow of the engine. The PCM takes advantage of these add ons to really make the H3 run great. It's worth the investment and frankly it's not that expensive, heck you can put a K&N barrel filter on for $40.00 and it's a lifetime cleanable filter that has much better flow than stock.
If you don't install an aftermarket cold air intake you should look at least buying a K&N factory replacement high flow filter and have PCMFL tune for that too. You're only solving 2/3 of the puzzle by tuning the PCM and adding dual exhaust. You need more air flow into the engine to go with the new exhaust which should be a non-restrictive type that opens up the flow of the engine. The PCM takes advantage of these add ons to really make the H3 run great. It's worth the investment and frankly it's not that expensive, heck you can put a K&N barrel filter on for $40.00 and it's a lifetime cleanable filter that has much better flow than stock.
#23
10-09-2007, 11:22 AM
RE: Another Happy PCMFL Customer
Jeepeater: This is THE BEST BANG FOR THE BUCK MOD you can do for the H3!!! I agree w/ everything Hummer Driver posted. Drivability is just plain increased everywhere, low end, mid range, and WOT. Do it, you will not be sorry, except for how long you waited to finally do it!
#24
10-09-2007, 12:15 PM
RE: Another Happy PCMFL Customer
ORIGINAL: HUMMER DRIVER
I would go ahead and get it tuned for the new exhaust, it won't kill you with the stock pipes with new tuning. One day soon you'll drop the new pipes in and it's ready to go.
If you don't install an aftermarket cold air intake you should look at least buying a K&N factory replacement high flow filter and have PCMFL tune for that too. You're only solving 2/3 of the puzzle by tuning the PCM and adding dual exhaust. You need more air flow into the engine to go with the new exhaust which should be a non-restrictive type that opens up the flow of the engine. The PCM takes advantage of these add ons to really make the H3 run great. It's worth the investment and frankly it's not that expensive, heck you can put a K&N barrel filter on for $40.00 and it's a lifetime cleanable filter that has much better flow than stock.
I would go ahead and get it tuned for the new exhaust, it won't kill you with the stock pipes with new tuning. One day soon you'll drop the new pipes in and it's ready to go.
If you don't install an aftermarket cold air intake you should look at least buying a K&N factory replacement high flow filter and have PCMFL tune for that too. You're only solving 2/3 of the puzzle by tuning the PCM and adding dual exhaust. You need more air flow into the engine to go with the new exhaust which should be a non-restrictive type that opens up the flow of the engine. The PCM takes advantage of these add ons to really make the H3 run great. It's worth the investment and frankly it's not that expensive, heck you can put a K&N barrel filter on for $40.00 and it's a lifetime cleanable filter that has much better flow than stock.
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