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Is Water Injection a Cheap Substitute for Race Gas?

We visited Mach V Motorsports to find out.

Featured makes: Subaru
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Catalytic Converter Face-Off

Are catalytic converters just a cork in the system?

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New Maxxis Tire for Track Days

Running track events? Maxxis has a tire aimed at you: their new Victra RC-1.

Lightning in a Bottle?

Meet EFS Combust, a fuel modifier that actually seems to work as advertised.

Datsun 510: The Do-Everything Dime

A look back at one of Datsun's greatest gifts.

Featured makes: Datsun
Snake Attack: Cranked-Up Viper TA Gets All the Go-Fast Goodies

While the TA package is slightly heavier than the base Viper due to larger brakes and solid anti-roll bars, it makes extensive use of carbon fiber to keep the weight ...

Featured makes: Dodge
Vintage Views: Honda CRX Si

Once a common sight, the original CRX Si has become a modern classic. Buy yours now before there are none left.

Featured makes: Honda
Tech Tips: E36-Chassis BMW M3

We asked two BMW experts some advice about the E36-chassic BMW M3.

Featured makes: BMW
Amped-Up Abarth

Fiat’s new mini-coupe gets the Neuspeed treatment.

Featured makes: Fiat
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