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I previously commented Weapon-R on two occasions: Celica GTS & ES300 in regards to their testing procedures.
In short, they do their dyno tests with the hood open. Unless you are willing to drive with the hood flying open all the time, then you'll be able to trust their data.
Also, because of the nature of the placement (inside the engine compartment), they don't show the results of the dyno test with the effects of heat soak in a normally operating temperature engine. The Celica dyno test was compared to Injen Cold Air Intake (CAI), which its placement is away from the engine compartment (near the wheel wells). Though their tests did confirm the performance of an Injen CAI on the Celica GTS.
Quality and service (being a past customer) isn't that great either, and many others in various forums will recommend avoiding WeaponR, from their past experiences (Weapon R is good to clublexus.com on some forums only).
Foam versus cotton gauze, that's another argument, for say Aftermarket Accessories forum.
So for the following Dyno test on the Celica GTS, take their intake test with a grain of salt.
ECHO setup Look at its position:It's far from a cold air source (bad for power). 1)To the left and below, are the exhaust headers: lots of heat coming from them.2) The stock intake gets its air from behind the drivers side headlamp, next to the grille. It is a great source of cold air.
Cost: 1 mandrel bend is cheaper than a few mandrel bends to get the filter behind the driver's side headlamp area (where there is plenty of room, and the air is cooler, plus greater air flow).
Material: 6061T6, nothing against it.
I got the pictures from www.dragonintakes.com
The seatcovers are awesome.
kneisl1: A casual glance suggests that the aftermarket filter may actually be better than the Toyota. As you can see below, the Purolator (left) has deeper pleats and more of them, creating more surface area for filtration:Only a lab test would be able to compare the actual efficiencies, of course.
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