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Secondary CANBUS is Slow for Motorsports DCCD!!!
Secondary CANBUS systems used by OEM DCCD Controller (or similar substitutes) are slower than primary CAN buses in both Subaru WRX STi and most modern vehicles. Primary buses (usually 500 kbps to 1 Mbps) handle safety-critical data like engine and ABS, while secondary or "comfort" buses (125 kbps, introduced in the 90's) handle less critical, slower-paced tasks. This puts any CANBUS based DCCD Controller in huge disadvantage to Spiider DCCD Controller that directly reads conditions and responds to control of DCCD electro-mechanical system. It's just simple math and physics an we have 15 years of recorded success on podiums to prove it😁.

DCCDPRO - Performance Every Turn! Celebrating 15 Years! | Most Advanced DCCD Controller DCCDPRO – Performance Every Turn!CELEBRATING 15 YEARs of enabling Subaru MotosportsSwapped in a 6 Speed STi Transmission and Need a reliable, Race Tested, DCCD Controller? Spiider Technology is Your BEST Solution! Spiider DCCD Controller - Easy to Install, Race Performance, True Hands-Free Operati...

Congrats to Yohan Tessier/Olivier Martel and Test Racing Team!
Great 2nd and 3rd podium finish at 2026 Perce-Neige Rally!

Unique Support for SI-Drive Style Controls!
Our Spiider Family of DCCD Controllers supports the MY08+ Subaru Controls that have the controls ( aka Multi-select Switch with SI-Drive Control). We have engineered it for you so if you swap in a new 6 speed DCCD equipped transmission and want to use this style of control with Spiider (DCCD) Controller we can provide you with this option. Remember to pick Si-Drive Control option "with plug Connector" for an easy plug and play.