SLS / AIS closure cap JetPrime Aprilia RSV4/1100 Factory/R/RR/RF (09-26) JP ES RSV4
SLS / AIS closure cap JetPrime Aprilia RSV4/1100 Factory/R/RR/RF (09-26) JP ES RSV4
Delivery time on request
JetPrime SLS/AIS closure cap for Aprilia RSV4/1100 Factory/R/RR/RF (2009-2026)
Replace the intrusive secondary air injection system (PAIR) of your Aprilia RSV4 or RSV4 1100 Factory/R/RR/RF (09-26) with the high-quality SLS/AIS closure cap from JetPrime. The JP ES RSV4 kit includes a CNC-machined block-off plate that replaces the original cap and rubber cover to securely seal the hole in the airbox and optimize your bike's performance. The closure cap prevents backfiring and misfires that can occur when using aftermarket exhaust systems.
The PAIR system was originally designed to reduce emissions from stock exhaust systems, but it leads to unwanted noises and misfires when aftermarket exhausts are installed. With this kit, you can completely remove the PAIR system, including the valve, cover, and hoses. This ensures an optimized A/F ratio (air-fuel ratio), improved throttle response, and reliable fuel tuning.
Key features of the SLS/AIS closure cap:
- Prevents backfiring and misfires when using aftermarket exhaust systems
- Achieves a true A/F ratio for reliable and precise fuel tuning
- Improved throttle response when using complete aftermarket exhaust systems
- Complete removal of the PAIR system including valve, cover, and hoses
- Optimizes engine performance and ensures clean tuning
High-quality standards:
- CNC-machined block-off plate made from 7075 aluminum for maximum durability and precision
- Heat-resistant rubber caps for exceptionally long life under extreme conditions
- Components designed for high performance and reliability
- Tested and developed specifically for the Aprilia RSV4/1100 Factory/R/RR/RF (2009-2026)
Note: Race Use Only – This closure cap is intended exclusively for use on racetracks and is not approved for street use.
Why the JetPrime SLS/AIS closure cap is the best choice for your Aprilia RSV4:
- Prevents intrusive exhaust noises and misfires with aftermarket exhaust systems.
- Increases engine performance through precise fuel tuning and optimized throttle response.
- CNC-machined 7075 aluminum for maximum durability and a perfect fit.
- Complete removal of the PAIR system for clean and more powerful performance.
Get the JetPrime SLS/AIS cap and optimize the performance of your Aprilia RSV4 for the racetrack!
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About Us
About Us
Our passion for quality and innovation drives us to offer you the best products and services for motorcycle enthusiasts. From exclusive high-performance parts to tailor-made solutions — your riding experience is at the center of everything we do.
Shipping & Returns
Shipping & Returns
We ship with DHL and FedEx — and on request, we also offer express shipping. If an item is in stock, express shipping is possible in many cases within 1 business day. The standard delivery time is about 2–5 business days domestically, and typically about 1 week worldwide. Please check the available shipping options and transit times in the shopping cart, as we offer multiple shipping service providers depending on the country.
Returns must be registered in advance by email and are possible according to our return policy (14 days to request a return + 14 days for the return shipment after approval). Please note: Unregistered returns will not be accepted. All details on terms, exceptions, and refunds can be found in our return policy.
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More Infos in our FAQs
Email our team – we’ll get back to you as soon as possible.
How long does it take to process my order?
How long does it take to process my order?
If the item is in stock, we typically process your order very quickly—often the same day for dispatch.
Our processing times are Monday to Friday, 07:30–16:30.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide. Shipping is carried out depending on the country and selection with DHL or FedEx.
What is your return policy?
What is your return policy?
Returns must be registered in advance by email. You can request a return within 14 days of receiving the item, and you have another 14 days to send it back after approval.
Important: Unregistered returns will not be accepted. You can find all details in our cancellation policy.
What does “Delivery time on request” mean?
What does “Delivery time on request” mean?
“Delivery time on request” means that the item is usually not immediately in stock and may need to be ordered separately. Please contact us before purchasing – we’ll check availability and provide you with the estimated delivery time.
Do you offer express shipping?
Do you offer express shipping?
Yes, we offer express shipping. If an item is in stock, dispatch can often be completed within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the cart.

