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    Velocity stacks racing for T-Max ATR-

    Velocity stacks racing for T-Max

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    The inlet trumpets designed by us for the T-MAX is a device used to improve the air intake in the opening stages of the throttle. 


    The delivery time for this product is 7/10 working days.
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    Velocity stacks racing for T-Max

    Velocity stacks racing for T-Max

    The inlet trumpets designed by us for the T-MAX is a device used to improve the air intake in the opening stages of the throttle. 

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    Due to its particular shape reduces air turbulence during the intake phase, improving airflow and reduces the response time of the engine, in particular, there has violent opening of the gas.

    Its shape and length have been designed by our design department to be connected to the motor at different speeds, increasing the strength of aspiration and improving the filling at low engine speeds.

    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 showed, compared with a gain series conducted from 2 to 3 hp.

    Of course, like any changes made to the engine needs a tune-up injection to take advantage of the change.

    The trumpets are made of aluminum and machined on CNC machines.


    Jetprime is a specialist in the development of electronic power modules for injection engine based motorcycles, ATVs and quads. The most well known product amongst these is the Jetprime power module. The company also produces various specialist motorcycle accessories and other sophisticated components which include enlarged throttle bodies, crankshafts and many other items.

    AccessoriRacing entrusts its shipments only to selected express couriers, SDA / Bartolini for Italy and UPS / DHL abroad. You can track the shipment and check the path of your package online, using the number of traking that you will find directly from your account. Shipping costs include packaging.

    Shipping times: Generally for Italy, delivery takes place within 48 hours of shipment, while for abroad the times can be 4/5 working days (Check the shipping times shown on the item cards)

    (Only for Italy) orders of € 199.00 or more shipping is FREE

    Read more information about shipments.

    Returned Goods:

    Is your order no good or simply not happy? You can return any new, unused and unmodified item within 30 working days of receiving the product. We will make a full refund to your original payment method.

    Read our full return policy.

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