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Unleash the Rumble: The Ultimate Guide to Doug’...

Is there anything more iconic than a classic Corvette with side pipes? If you are restoring or modding a 1963–1982 Small Block Corvette (C2 or C3), you know that the...

UNLEASH THE BEAST: Why Doug’s Headers D453 Are ...

Is your Small Block Mopar choking? We’ve all been there. You’ve got a sweet 318, 340, or 360 build, but it feels like it’s running with a mask on. The...

MAXIMIZE MUSCLE: The Ultimate Header Upgrade fo...

You have a legendary engine. The 383 Magnum. The 440 Super Commando. The 426 Hemi. These engines were born to dominate the street and strip. But if you are still...