GPR Exhaust Systems Trioval Slip On XTZ 660 Tenere 91-98 Homologated Muffler

Compatible models:

Yamaha Xtz 660 Teneré 1991-1998.

Original GPR product,compatible for YAMAHA XTZ 660 TENERE´ 1991/98 HOMOLOGATED SLIP-ON EXHAUST TRIOVAL.

Features:For installation, no structural modifications to the motorcycle are required for use of the product in an approved version.

The exhaust has a removable dbkiller (noise restrictor) for racing use, remove the dbkiller is not ONLY illegal, but the customer assumes the responsibility to use the motorbike as on the circuits only, without bags, without flash light and number plate holder or other parts that would conflict with the different angle of the gas following the transformation into the racing version.

Abuse of this situation on the road will result in the loss of the product warranty and any refund request will be rejected.

The warranty is two years from the purchase, with right of reparation with devolution to GPR factory or nearest official distributor at client expenses.

GPR cannot provide a new silencer instead of the one to repair, the client has to accept to remount the original exhaust or wait the standard time for the reparation.

TRIOVAL, the best seller ever of GPR history,for a classic look, made of hand-polished 304 stainless steel, ovoid drop shape, diameter 100x130.

Link pipe and mouting accessories:this kit includes the specific fitting and / or half-manifold and relative kit of brackets and accessories, which allow installation without structural modifications.

Original GPR product, developed thanks to a long experience in World Motorbikes Championship, propose an innovative design, performance increase, relevant weight saving and a motorbike sound tone improvement.

Made in Italy,2 years of international guarantee.

Removable dbkillers:It is possible to remove the noise restrictions (DBKILLERS) only for RACING use in the circuits, the use of the open version on the road in does not comply with the regulations governing circulation on the public road network.

ATTENTION:this article is homologated for noise, the customer must check in advance whether the presence of the original catalyst or of the catalizador GPR is necessary in his country to comply with the regulations for circulation on the road network and to carry out the annual inspection.

Mounting recommendations:GPR products are plug and play, it is recommended to install the products in a professional workshop, no complaints will be accepted in case of DIY installations.

If you buy online, it is recommended to buy the product from a seller in YOUR NATION to ensure that the item arrives with the correct approvals that must also comply with local legislation.

Make sure before purchasing that the seller is trustworthy and offers the items for your road network.

The specific homologation certificate is provided, as well as the assembly instructions, each silencer bears the homologation code.

In the event of problems encountered during the installation, it is mandatory to stop and suspend the activity.


Many bikes are equipped with an exhaust valve controlled by a servo motor. When making performance changes involving the replacement of the exhaust or the installation of an additional control unit, it is necessary the elimination of the exhaust valve.

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