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Old 05-28-2004, 03:51 PM   #1
Unabomber
Big Ron
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Exclamation The best products for the WRX

This thread represents my opinion as to "the best". If anyone wishes to add their thoughts, feel free. Please provide evidence or reasoning though. Just because it's on your car, doesn't make it the best.

The Best Uppipe

Best Uppipe: COBB Tuning inconel uppipe.

Reasoning: Inconel is twice as strong and insulates twice as well as stainless steel.

Honorable Mention:
a. Crucial Racing uppipe. Comes coated inside and out for good heat retention.
b. TurboXS cast iron uppipe. Cast iron piping for good heat retention.
c. APS uppipe. Cast iron piping for good heat retention.

Best Uppipe on a budget: Gutted stock uppipe.

Reasoning: Gutting your stock uppipe can have the same benefits as using a more expensive aftermarket uppipe. Dyno Proof.

Honorable Mention:
a. GT Spec uppipe. Cheapest aftermarket uppipe.
b. Used uppipe by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket uppipe for 25-50% off its retail value. Keep in mind that many warranties are not transferable though.

Further research: Uppipe FAQ

The Best Downpipe

Best Downpipe: COBB Tuning Downpipe.

Reasoning: Cast design is better for heat retention than the other downpipe offerings on the market. More heat retention = quicker exhaust velocity.

Honorable Mention:
a. APS Downpipe. Cast iron design is better for heat retention than the other downpipe offerings on the market.
b. Helix Downpipe. Cast design is better for heat retention than the other downpipe offerings on the market.
c. Crucial Racing downpipe. Comes coated inside and out for good heat retention.

Best Downpipe on a budget: Gutted OEM downpipe.

Reasoning: Stock appearance and good heat retention. Probably for the more mechanically inclined considering the work required, but even with professional welding, it will be under $100 for a catless downpipe.

Honorable Mention:
a. Stromung, HKS, and Oakos offer flat plate downpipes for around $175.
b. Bosal and Stromung offer twin dump downpipes for between $200-$250.
c. Used downpipe by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket downpipe for 25-50% off its retail value. Keep in mind that many warranties are not transferable though.

Further research: Downpipe FAQ

The Best Exhaust

Best Exhaust: There is no best exhaust.

Reasoning: Exhausts are broken down into many catagories, the most popular of which are cost and sound.

Loudest Exhaust:
a. TurboXS RFL
b. Blitz NUR Spec R
c. Kakimoto
d. BPM Twister MKIII
e. Helix

Reasoning: These are the commonly known "loudest" exhausts on the market. No dB information exists, but to quote a famous saying, "If you have to ask, it's too loud".

Best Sounding Exhaust:

a. Prodrive
b. ScoobySport
c. Stromung

Reasoning: These are commonly known as the "best sounding" exhausts on the market. This is probably the most subjective catagory, but these are the three most commonly thought of exhausts.

Quietest Exhaust:

a. Prodrive
b. M2
c. MRT Twin Tip
d. Borla Hush
e. STi
f. GReddy Evolution

Reasoning: The comparative and subjective data on these quietest exhuasts is listed:

a. M2 Performance 94db @ idle, 94 @ 3000 RPM
b. GReddy Evolution 94db @ idle, 92 @ 3000 RPM
c. MRT Twin Tip: No data, but commonly known as quiet.
d. Prodrive: 94dB @ idle
e. STi Muffler: No data, but commonly known as quiet.
f. Borla Hush: New exhaust with few reviews, but all of them seem to point to quiet.

Best Exhaust on a budget: The most inexpensive exhaust is a custom exhaust using a skilled local exhaust shop and a few ordered components. Custom units can be fabricated for as little as $450. MattSpec Exhaust is one example of how to craft a quality, inexpensive exhaust.

Reasoning: Though not a name brand, a custom exhaust skillfully fabricated using quality components will be far cheaper and just as powerful as a Vendor purchased unit.

Honorable Mention:
Used exhaust by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket exhaust for 25-50% off of its retail value. Keep in mind that many warranties are not transferable though.

Further research: Exhaust FAQ

The Best Intercooler Hoses

Best Intercooler Hoses: Whichever ones are on sale.

Reasoning: Functionally, they are all the same. Unless you have a color preference, the cheapest ones will suit you fine.

Honorable Mention:
Used intercooler hoses by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket intercooler hoses for 25-50% off of their retail value. Keep in mind that many warranties are not transferable though.

Further research: Intercooler Hose FAQ

The Best Pulley

Best Pulley: Perrin

Reasoning: Perrin is the only major manufacturer of lightweight stock diameter pulleys. Though under-driven pulleys aren't a major concern, most people don't want to mess with any possible electrical issues they may cause.

Best Pulley on a budget: Mr Josh's.

Reasoning: Nearly identical to the Perrin unit with a greatly reduced price.

Honorable Mention:
Used pulley by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket pulley for 25-50% off of its retail value. Keep in mind that many warranties are not transferable though.

Further research: Pulley FAQ

The Best Header

Best Header: Borla

Reasoning: Borla headers have the industry's best warranty, are extremely affordable, and are the only headers that come ceramic coated.

Best Headers on a budget: eBay headers.

Reasoning: These are so cheap, why not? There are several brands available on eBay through a couple different manufacturers.

Honorable Mention:
Used header by any manufacturer. Some don't want used components on their car, but for those that don't mind, you can get an expensive aftermarket header for 25-50% off of its retail value. Keep in mind that many warranties are not transferable though.

Further research:
Header FAQ

The Best Gears

Best Gears for 300WHP or below and non hard core drag racers: 2004+ OEM WRX gears that have been shot peened. 2003+ OEM WRX 1st, 2nd, & 3rd gears (AKA the ones that break the most) were increased to STi RA width, though no one knows the cut-off date in 2003, so the best bet is to go with 04+ gears. Shot peening increases their strength quantitatively by 20%. Some may also be interested in additional cryo treatment. A complete OEM gearset can be had for ~$850, shot peening is ~$150, & cryo treatment is ~$150. Any of these options are cheaper, stronger, and more readily availble than RA gearsets available through Vendors.

Reasoning: While going this route requires a lot of work via the end user, the benefits of additional treatment will make them stronger than their pure RA cousins and at the same time cost less.

Honorable Mention: RA gears available through Vendors (~$1300) or PPG 1/2 + OEM 3/4/5 (~$1600).

Best Gears for 300WHP and up and hard core drag racers: PPG gears. While not much data is available for the "better" gear sets, PPG stands alone as the only gear set that doesn't have any reports of broken gears. That isn't to say that users will have great success with PAR, Kaaz, etc., but they have all had their share of broken gears.

Reasoning: Based on tremendous amounts of research here and the MRT tranny forums (probably the best transmission resource available), PPG seems to be the king of gears that someone might be able to afford.

Further research:
Transmission FAQ

And when it comes to a Blow Off Valve, Manual Boost Controller, or Cold Air Intake.....just say no unless you realize the risk factors involved with them. I don't care who makes them or how "good" they are, I wouldn't recommend these to anyone for any reason. Refer to the BOV FAQ and Intake FAQ for more info.
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Last edited by Unabomber; 10-16-2005 at 07:05 AM.
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