Bull Boost Performance
Valved Exhaust System SVJ Style for Lamborghini Aventador LP700 LP740
Valved Exhaust System SVJ Style for Lamborghini Aventador LP700 LP740
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Upgrade the sound and rear styling of your Lamborghini Aventador with the STRATEC Valved SS304 Axle‑Back Exhaust System SVJ Style, engineered to deliver aggressive exhaust tone with adjustable sound control.
This SVJ‑inspired axle‑back system enhances the factory exhaust with a more pronounced, exotic V12 sound while maintaining flexibility for daily driving. The integrated valve system allows you to switch between a refined tone and a loud, race‑inspired exhaust note on demand.
Constructed from premium SS304 stainless steel, this system offers excellent durability, corrosion resistance, and long‑term reliability under high‑temperature performance conditions.
Designed for direct bolt‑on installation using factory mounting points.
Sound Control
Valves Closed
Controlled, refined exhaust tone suitable for daily driving.
Valves Open
Aggressive, high‑pitch V12 sound with SVJ‑style character.
Key Features
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SVJ style axle‑back exhaust system
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Premium SS304 stainless steel construction
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Valved exhaust for adjustable sound control
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Improved exhaust flow vs OEM
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Enhanced throttle response
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Exotic V12 exhaust tone
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Durable and heat‑resistant design
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Precision welded construction
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Direct bolt‑on installation
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No permanent modifications required
Fitment
Lamborghini Aventador
LP700‑4 / LP740
Model Years approx. 2011–2021
Shipping & Returns
Shipping & Returns
Shipping on most orders in 24-48 hours special orders can be 2-3 days. Returns see Returns Policy.
We have a 30-day return policy on most products, which means you have 30 days after receiving your item to request a return. Some products carry a longer manufacture warranty please contact us if you have questions about items.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at overthehilltractor@gmail.com. Please note that returns will need to be sent to the following address: 2005 Stuarts Draft Hwy, Stuarts Draft, VA 24477
If your return is accepted at damage or defective, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
If your return is due to no longer needed, wrong size order, ordered by mistake, found better pricing, etc the customer is responsible for the return shipping cost.
Any item returned over $50 cost we suggest insurance on package.
You can always contact us for any return question at overthehilltractor@gmail.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, we can only give 72 hours from time package is scanned delivered to accept claims. Please contact within 72 hours of delivery so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like fuel related items due to hazardous materials shipping regulations. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at overthehilltractor@gmail.com.
Most items are covered by 30 day warranty, Fuel Related parts are only covered against actually manufacture defect since the fuel produced today breaks down gaskets and seals quickly. Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details. Returns are handled on each individual item, some items will not require return for refund just that customer submit picture of proof of issue. Please contact us with questions about returns.

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Free Shipping
Free shipping on orders over $150
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