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  1. New Hood Vent option from RaceLouvers w/ Wind Tunnel Test

    How to make sure it doesn't negatively affect the airflow for the rear wing? Any data on this aspect?
  2. Aftermarket steering wheel question.

    Carbon fiber is made out of carbon fabric after all. When a piece of fabric wraps on a round wheel, what do you think will happen, still going straight? :p
  3. Aftermarket steering wheel question.

    Bought an OEM steering wheel on eBay for $120. Took it to a custom steering wheel shop in China to rewrap using OEM core (for maximum compatibility and safety) spent about $250 for labor, including the airbag cap. Very happy with the result. Everything here is very high quality and beyond my...
  4. KW V3 Ride Height Question

    It’s important to remember that the more you lower the vehicle the lower the roll center is. When the roll center is lowered too far from the center of gravity of the car, the handling is negatively affected. Lowering more than 2cm should be avoided because of this reason. I personally have a...
  5. DINANTRONICS X In-line Performance Tuners for the Toyota GR Supra

    I installed on my MT Supra too! Your description precisely matches what I have felt! I'm only on MAP5 and the result is already amazing! My stock tires spins a lot in second gear. Time to upgrade to some 200TW and 295 tires! This product exceeded my expectation. The power delivery is so smooth...
  6. Verkline Rear Adjustable Traction Link and Toe Link NVH Question

    Awesome! How’s the improvement so far? I’m installing Verkline WAS-425 and WAS-426 to stiffen up traction arm’s bushing at the knuckle and lower wishbone’s inner bushing, both are monoball. I’ll share the feedback when I’m done. A little hard to install but hopefully the effort is worth it. By...
  7. Twisted Tuning A90/A91/Z4 Upgraded Engine Mounts

    Thanks for the advice! I’ll give it a try. My car is MT so it maybe behaves a little differently from AT in D. I’ll try to remove the top insert and see if there’s any improvements:)
  8. Twisted Tuning A90/A91/Z4 Upgraded Engine Mounts

    I have Powerflex engine mount insert installed. Performance wise it's good. However it introduced vibrations when the car is idle, around 700rpm. I wonder if Twisted Tuning engine mount would introduce any vibrations when the car is idling? What about other RPM range?
  9. SPL rear traction arms

    I'm also planning to get the rear toe arms. To me the allen key pinch mechanism on the SPL doesn't convince me that they will last. The screws are so tiny and can't tolerate high torque before the allen receiver get messed up. Even with locktite, I have heared multiple folks saying they get...
  10. Verkline Rear Adjustable Traction Link and Toe Link NVH Question

    This is awesome! For folks who concern about compatibility issues from different aftermarket arms/sway bar links/coilover mounting points and the potential issues of adjustable arms getting lose, or exposed monoball bushing rusting, upgrading those sealed monoball bushings are the best one-time...
  11. Anyone upgrade their shifter bushings?

    Folks, I made a breakthrough on this. The only thing that is soft in the entire assembly, was the front bushings and the rear bushing. I have swapped them using Delrin front bushings and rear upgraded PU bushing with aluminum brace: Rogue Engineering G8X / G29 / A90 Shifter Carrier Bushing Kit |...
  12. Verkline Rear Adjustable Traction Link and Toe Link NVH Question

    The thrust arm bushing I used Millway: Front Tension Strut / Thrust Arm Bushing Street BMW G20 G21 G26 G42 – Millway The lower control arm bushing from Millway would also be very great option, unfortunately it wasn't available when I was in the market. I bought the LCA bushings made by Turner...
  13. Verkline Rear Adjustable Traction Link and Toe Link NVH Question

    The arms with monoball bushings are surprisingly quiet. The improvement in handling is dramatic. For the front I installed monoball bushings to the OEM arms just to avoid issues like tiny Allen key locking mechanism getting lose for those adjustable arms. The result is very successful. No...
  14. DINANTRONICS X In-line Performance Tuners for the Toyota GR Supra

    @CobraCommander or anyone, any updates on the Supra MT equipped with Dinantronics X? Very interested in trying it out. Appreciate your feedback!!





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