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I haven't seen a list like this floating around so I thought I would put some ideas together.
I've read several times that our cars aren't that mod friendly and have at times thought so myself but for around $100 someone should be able to see some very noticeable gains.
1. Gut the 2nd cat. FREE. Reports of up to 10 hp gains.
2. Spark plugs. $20-$30. http://www.forteturbo.org/forum/18-kia-forte-turbo-maintenance/585-spark-plugs.html
3. Wastegate boost hack. $10-$20. 3-4 psi gains until high rpms. http://www.velosterturbo.org/forum/xenon-element/11980-diy-wastegate-boost-hack.html
4. Air filter. $25-$50. Drop in or cone. Maybe 1-5 hp. I have no idea.
5. Intercooler resonator delete. $20-$30. Reports of up to 13 hp gains.
6. Upgraded hotpipe. $75-$100.
Mileage will absolutely vary. Some of the hp claims seem very high to me but who knows.
All of these can probably be done for a shade under $100 and in ideal situation should be able to net double digit hp gains, better mileage, and a few tenths off the 1/4 mile.
I've read several times that our cars aren't that mod friendly and have at times thought so myself but for around $100 someone should be able to see some very noticeable gains.
1. Gut the 2nd cat. FREE. Reports of up to 10 hp gains.
2. Spark plugs. $20-$30. http://www.forteturbo.org/forum/18-kia-forte-turbo-maintenance/585-spark-plugs.html
3. Wastegate boost hack. $10-$20. 3-4 psi gains until high rpms. http://www.velosterturbo.org/forum/xenon-element/11980-diy-wastegate-boost-hack.html
4. Air filter. $25-$50. Drop in or cone. Maybe 1-5 hp. I have no idea.
5. Intercooler resonator delete. $20-$30. Reports of up to 13 hp gains.
6. Upgraded hotpipe. $75-$100.
Mileage will absolutely vary. Some of the hp claims seem very high to me but who knows.
All of these can probably be done for a shade under $100 and in ideal situation should be able to net double digit hp gains, better mileage, and a few tenths off the 1/4 mile.