Diesel Performance

[Okierifleman]

I have a 07 GMC Duramax that I was pondering putting an aftermarket intake on to increase performance and maybe squeeze a few more MPG out of it. K&N, Air Raid, Banks, etc.... Do these really work or is it all a marketing campaign? Any recomendations?

 

[Texas1911]

If an intake is more efficient then it will reduce pumping losses, and on a turbo diesel you may see a slight uptick in fuel efficiency.

Generally with a diesel your best economy mods are tuning.

You might try: www.TruckModCentral.com

 

[mclarenross]

Look up a "BHAF" - Big Honkin Air Filter. I think all these aftermarket intake boxes are WAY too expensive for what you get. Id personally invest my money into an good free flowing exhaust and a programmer.

 

[DCortez]

I heard new chips were good but never got one. Would have paid for itself by now if they work as advertised.

 

[Shorts]

Well it's a catch 22 when you start going mods vs mpg. The mods themselves will by the numbers increase your truck's efficiency. But the hard part is keep one's lead foot from enjoying the seat-o-meter feel & sound. That tom foolery often negates the efficiency

Diesels easily benefit from a good intake. Build your own, everything else is WAY overpriced.

 

[M. Sage]

I have a 07 GMC Duramax that I was pondering putting an aftermarket intake on to increase performance and maybe squeeze a few more MPG out of it. K&N, Air Raid, Banks, etc.... Do these really work or is it all a marketing campaign? Any recomendations?

Generally, no they don't. If you were to see something like a 2% change from what the PCM considers "normal" your check engine light would be on.

Beware K&N (and similar) filters: they filter like shit.

 

[dee]

Beware K&N (and similar) filters: they filter like shit.

Very true whats bad is most people don't realize a paper filter flows more till it gets clogged up. If I were you I'd go with a chip/programer first by far the best bang for the buck on a Diesel exhaust helps to but being yours is an 07' an exhaust system could affect the regen system on the truck.

 

[Shorts]

Very true whats bad is most people don't realize a paper filter flows more till it gets clogged up. If I were you I'd go with a chip/programer first by far the best bang for the buck on a Diesel exhaust helps to but being yours is an 07' an exhaust system could affect the regen system on the truck.

IF you can keep from dialing it up and spitting out your tranny


ell you got the Allison in their right? Should hold up better but you're at least good for up to 50hp on the stocker