Velocity stacks enlarged throttle body JP ATR 001
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These velocity stacks we have developed for the TMAX are necessary to improve the air intake during the phases of opening the throttle control.
Due to the particular shape, this allows a reduction in air turbulence during the suction phase, improves the air intake from inside the air box, facilitates the intake and reduces the response time of the engine especially when you have a violent opening of the throttle.
The shape and length of the velocity stack has been studied by our design department to reconcile the engine at different engine speeds, to increase the suction strength and to improve the coverage at low engine speeds.
The velocity stack is mounted inside the air box and is connected to the intake manifold directly on the throttle body. The stacks have been developed for specific uses: a BLUE series for the throttle body of the TMAX 500, a BLACK series for the throttle body of the TMAX 530 and a GOLD series which is designed to be mounted on our enlarged 36, 38 and 40mm throttle bodies. The test bench results show an increase between 2-3 bhp in comparison to the OEM fitted unit.
As with any changes made to the engine, this also requires the correct setup of the injection to obtain the best possible results from this modification.
Data sheet
- Yamaha
- XP T-MAX (500 cc) 2008-2011
XP T-MAX (530 cc) 2015-2016 - Delivery
- No stock, ask for availibility
Returns Policy
EU/EEA customers have a 14-day right of return from the day the goods are received. The goods must be unused, with tags attached and in the original packaging.
All returns must be pre-approved: e-mail info@mrttech.ee within 14 days of receiving the goods, stating the order number, and wait for our written confirmation before sending anything back. Return shipping is arranged and paid for by the customer.
Once we have received and inspected the returned goods, we issue the refund within 14 days. Where possible we refund using the original payment method (for example PayPal or Stripe), otherwise by bank transfer.
Shipping
Parcel machine (Estonia, Latvia, Lithuania, Finland) – €9.90. Courier (non-express) – from €19.00, within the EU and internationally, with the exact cost calculated at checkout. Collection in store at Taevakivi 1, Tallinn – free. Free delivery on orders of €500 or more. Prices include VAT where applicable.
In-stock items are normally dispatched within 1–3 working days from release from our warehouse. Delivery times are estimates, not guarantees — some items may take longer, for example when ordered in specially or during stock or supplier delays. We are not liable for delays beyond our reasonable control, but we always make reasonable efforts to deliver at the earliest opportunity. This does not affect any statutory rights the customer may have as a consumer.
See our full delivery and return terms: shop.mrttech.ee/en/content/1-delivery
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