Cold Air Intake

65

Asked by Oct 08, 2008 at 02:01 AM about the 2002 Pontiac Grand Prix SE

Question type: Car Customization

If the 3.1 has 189 HP now, going to pep boys picking up a cold air intake for 30 bucks...how much of a boost in horsepower will it do for the 3100?

7 Answers

245

It wont do very much... The 3.1 does not respond to mods very well... You might get 5 HP at the absolute most...

10,755

You are incorrect on your first statement. The 3.1 does respond well to improvements. You are correct on the addition of horsepower, although I think you are being generous. Quality Cold Air Intakes, if designed and tested for the vehicle, like K&N, will provide max gains of 5%-10%.

65

So on a tight budget til summer, I'd get a K&N air filter and what else could i possibly get at like a pep boys for now that I can simply add on to the engine

65

and also is there a cone air filter for the 3100s? cause I know they have em for the 3800 and its almost a 15hp gain

25

not much you can do for cheap at least. here is a good site for parts, only some for the 3.1 though http://www.pfyc.com/mm5/merchant.mvc? oh and my favorite...eBAY....here is your intake http://shop.ebay.com/items/_W0QQ_nkwZ3Q2e1lQ20intakeQ2cQ20prixQQ_armrsZ1QQ_fromZQQ_mdoZ

25

also consider an exhaust,,,,your intake will be more effective with an exhaust and increase overall horsepower. Example: having just the intake - about 3-5 HP, just the exhaust 8-10 HP, but having both could be about 18 - 20 HP. also, best bang for buck....PCM Chip heres a maf sensor http://www.jetchip.com/Shop/shopdisplayproducts.asp?sppp=10&catID=1

415

yea an air intakes great, even if the horsepower gains arent huge it should still be helpful for your motors overall wear, another easy gain is to check your spark plugs, if there dirty get new ones, and while ur at it pick up some of those E3 diamond fire ones, ive heard some good stories about em and my friends getting 4 mpg better with them. for exhaust i would look for a cat back system, check cherrybomb for the best one they also sell new highflow catalytic converters and full exhaust sets

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