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Unread 08-16-2009, 10:23 PM   #1
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Default Would 1.5L Mirage see much improvement with mods?

My ex-gf called me today (believe it or not we're still on more or less friendly terms) and was talking about how she saved 2k over the last year and wants to spend some of it on a car, whether her current car (99' Mirage with a 1.5L) or a new car. I discouraged her from buying a new car until she's at least through her first year of college (she's getting financial aid, but still) just because this car has been incredibly reliable, and it gets great gas mileage. So now she wants to upgrade this car (in her words "make it go fast"). She's thinking of spending $500-$1000 max (hopefully closer to $500). So, my question is, if I added a cold air intake and a better exhaust, would it be noticeably peppier, or just louder? (I mean, there's only so much you can do with a naturally aspired 1.5L) Also, would it be possibly to get a performance tune for the car, and what would the cost/benefit be? And if we do end up modifying the exhaust, what would you recommend? Just a straight 3-inch exhaust with a high-flow cat and either a Flowmaster or Borla muffler?
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Unread 08-17-2009, 02:27 AM   #2
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You would maby see 50hp improvement with the upgrade.
Only Air intake I could find for the car (Idk if it is the same shape of the OEM intake, pic of the engine bay would be nice): http://www.racinglab.com/weapon-r-in...irage-010.html

I would seek to a local exhaust shop for the exhaust because I can't seem to find alot of parts for the car.
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Unread 08-17-2009, 03:11 AM   #3
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You would maby see 50hp improvement with the upgrade.
Only Air intake I could find for the car (Idk if it is the same shape of the OEM intake, pic of the engine bay would be nice): http://www.racinglab.com/weapon-r-in...irage-010.html

I would seek to a local exhaust shop for the exhaust because I can't seem to find alot of parts for the car.
I don't think it would have that much of an improvement. I'm pretty sure that 50hp is around half of this engine's total output. Mirage Wiki

Anyways, with that said she probably would see a fairly noticeable gain in power with a good, free flowing exhaust (2.25''?) and a CAI. Maybe a 15hp gain and a little peppier engine.
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Unread 08-17-2009, 08:13 AM   #4
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Appears to be 92hp stock, so i'd give it maybe 115hp after upgrades.
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Unread 08-17-2009, 01:24 PM   #5
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Yeah, it's definitely 92hp atm, but the car is so light it's actually peppier than your would expect at low speeds.

Is the 115 hp you're predicting just with the exhaust and cai, or with a tune as well?
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Unread 08-17-2009, 01:43 PM   #6
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CAI and Exhaust are exactly where I would start. The cold air mod should help with gas mileage as well so it's definitively a bonus!

I am a volks man myself so I wouldn't know what else you could do...

General maintence on the car would be a plus a well.

Are you going to be doing the modifications yourself?

As mentioned above, 2.25" or even a 2.5" exhaust would be a more viable solution than going straight to 3" lol

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Unread 08-17-2009, 01:51 PM   #7
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Yeah, I've mentioned that she should get a CAI for gas milage already - she gets close to 35 mpg right now anyway.

We've been keeping up on maintenance - regular oil changes with full-synthetic, currently has a drop-in K&N filter which is cleaned regularly, and just recently I replaced the distributor cap and button, spark plugs, and wires.

I'll be doing the CAI myself, but I don't have the skills/equipment to do the exhaust, so I'll have to find a shop for that.

And sorry to keep asking the same question, but assuming we decide to go through with it and install the above mods, would it be possible to add a performance tune? (which would knock down has mileage a bit I would assume, but she's ok with that)

Socom, thanks for the link to the intake - it looks like it'll work. She's supposed to send me pics sometime today, so I'll post'em up then.
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Unread 08-17-2009, 02:08 PM   #8
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Yeah, I've mentioned that she should get a CAI for gas milage already - she gets close to 35 mpg right now anyway.

We've been keeping up on maintenance - regular oil changes with full-synthetic, currently has a drop-in K&N filter which is cleaned regularly, and just recently I replaced the distributor cap and button, spark plugs, and wires.

I'll be doing the CAI myself, but I don't have the skills/equipment to do the exhaust, so I'll have to find a shop for that.

And sorry to keep asking the same question, but assuming we decide to go through with it and install the above mods, would it be possible to add a performance tune? (which would knock down has mileage a bit I would assume, but she's ok with that)

Socom, thanks for the link to the intake - it looks like it'll work. She's supposed to send me pics sometime today, so I'll post'em up then.
I wouldn't think a performance tune would even do much for that TBH.
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Unread 08-17-2009, 02:22 PM   #9
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This sounds a little immature to me to be honest. You either buy the small engine economical car to be economical, or you buy the V6 to have fun and show off.

She isn't going to get a nice boost out of anything unless you spend major buck.

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Unread 08-17-2009, 02:46 PM   #10
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Originally Posted by Retrospekt View Post
This sounds a little immature to me to be honest. You either buy the small engine economical car to be economical, or you buy the V6 to have fun and show off.

She isn't going to get a nice boost out of anything unless you spend major buck.
It's all about compromise

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