Underdog Racing Development is a performance parts supplier, manufacturer and development company specializing in Toyotas

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  • URD Spec-U Exhaust Release

    URD is proud to announce our new Spec-U exhaust system for the 2005-2013 Tacoma V6 and 2003-2009 4Runner. This is the ultimate performance exhaust system for your truck and it is ready for the race track. The Spec-U system enhances power and torque throughout the RPM range and has a completely unique exhaust note.

    Hear it on this product video
  • 2TR-FE Supercharger Kit

    URD has released this advanced supercharger system for the 2005 and later Tacoma with the 2.7L 2TR-FE 4 cylinder engine. The before dyno using a DynoJet chassis dyno was 117 RWHP. The after dyno was 248 RWHP. The after dyno was done without the catalytic converters installed and the Stage 2 pulley.

    Check out the dyno chart & video
  • Spec-U Equal Length Headers

    URD is proud to announce our new Spec-U True Equal Length Long Tube Header for the 1GR-FE 4.0L V6 engine. We have tested different tube lengths in an effort to maximize the low end torque production without sacrificing the upper end power gains. The equal length design also improves the sound or tone of the exhaust.

    Read the reviews
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Here is something new. New intake for the 2016 Tacoma V6 with an available scoop.

urdusa.com/store/p1260519450/aFe-51-76005,-2016+-Tacoma-V6,-Dry-Filter/product_info.html
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4 days ago

It was a great day at Virginia International Raceway!! ... See More

Throw back Thursday. Two X-Runner powerhouses doing work at Virginia International Raceway (VIR). On the left you have yours truly with all the XII Performance goodies under the chassis to make the X handle like it was intended. On the right, you have the URD X with all the go fast goodies under the hood.Of course, the URD X has stepped up and has all the chassis goodies from XII...guess that means we need to return the favor and get the go fast goodies of URD.#TheStruggleIsReal #CantHaveTooManyMods #XIIPerformance #URDUSA

1 week ago

Underdog Racing Development LLC "URD" added 2 new photos. ... See More

4 weeks ago

This just in from a customer:

Hi, sorry to bother you guys but I just installed a short shifter for my 2010 tacoma 6 speed and I just wanted to let you know it's awesome! Installation was an absolute breeze as well, I am very satisfied and will definitely tell my friends who drive Yodas about you guys.

Keep up the good work and thank you very much, look forward to dealing with you in the future!

sledmaster89
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1 month ago

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Tuning has never been easier.

UCON-EMS Advanced Engine Management for Toyota 1GR-FE 4.0L V6

Tap into your engine's potential

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