Boost Logic Magnum 4.5-Inch Valved Rear Section for R35 Nissan GT-R [BL 02010910-45-VMS]
Boost Logic Magnum 4.5-Inch Valved Rear Section for R35 Nissan GT-R
Boost Logic’s Valved Rear Section for R35 Nissan GT-R is a boost-activated valved muffler section made to fit only Boost Logic’s Magnum 4.5-inch titanium exhaust. Cruising under 7 psi it keeps a refined, subdued tone, and as boost rises the valves open for the full sound and flow of the race exhaust; Boost Logic puts the average reduction at roughly 10 dB compared to the non-valved Magnum. It is the right part for a Magnum owner who drives the car daily and wants it quieter off boost. It is the muffler section only and reuses the tips already on the car.
Design and Performance
- Boost Logic designed the valves so that the closed position adds no unwanted back pressure or performance loss, and says the open position matches the flow and power potential of its full race exhaust. The result is a Magnum system that is easier to live with around town while keeping the flow of the non-valved version at full boost.
Features
- Boost-activated valves keep the tone subdued while cruising under 7 psi
- Roughly 10 dB quieter on average than the non-valved Magnum, per Boost Logic
- No unwanted back pressure or performance loss with the valves closed, per Boost Logic
- Valves open on boost to match the flow of the full race exhaust
- Muffler section that reuses the existing Magnum tips
Applications
- Nissan GT-R: R35 | 2009-2024 | 3.8L VR38DETT V6
Notes
- Muffler section only: tips are not included and the existing tips are reused
- Designed for Boost Logic Magnum 4.5-inch exhaust systems only, such as the Boost Logic Magnum 4.5-Inch Titanium Exhaust for R35 Nissan GT-R (BL 02010910-45)
- Owners of the Boost Logic 4-Inch Titanium Exhaust for R35 Nissan GT-R (BL 02010910) should choose the Boost Logic 4-Inch Titanium Exhaust Valved Section for R35 Nissan GT-R instead
- Boost Logic quotes the 10 dB figure for the Valved Rear Section for R35 as an average against its non-valved Magnum section
Frequently Asked Questions
- Does the Boost Logic Valved Rear Section for R35 fit the factory exhaust? No. The Valved Rear Section for R35 is designed only for the Boost Logic Magnum 4.5 inch titanium exhaust and replaces its muffler section. It does not include tips, so the tips already fitted to the Magnum system are reused. Owners of the Boost Logic 4 inch titanium exhaust have a separate valved section made for that system.
- How much quieter is the valved section? Boost Logic states that the valved system reduces sound levels by roughly 10 dB on average compared to the non-valved Magnum section. The difference is greatest while cruising below 7 psi, when the valves stay closed. Once boost rises the valves open and the sound returns to the aggressive character of the full race exhaust.
- How are the valves opened? The valves are boost activated. Boost Logic sets the system to keep a refined, subdued tone while cruising under 7 psi and to open the valves as the car comes onto boost above that point. That gives the car quieter manners around town without giving up flow at full throttle, according to Boost Logic.
- Does the valved section cost power when the valves are closed? Boost Logic says no. It designed the valved section to avoid unwanted back pressure or performance loss with the valves closed, and states that once open the system matches the flow and power potential of its full race exhaust. Boost Logic does not publish separate dyno figures for the valved section.
- Are exhaust tips included? No. This is the muffler section only, and Boost Logic requires reuse of the existing tips from your Magnum 4.5 inch exhaust. Check that the current tips are in good condition before installation, since they transfer across to the new valved section rather than being replaced as part of this purchase.
About Boost Logic
Boost Logic was founded in Austin, Texas in 2003 and made its name with Toyota Supra turbo kits, setting street car records at 6speed record days and the Texas Mile that stood long after the company stopped racing Supras competitively. It designs turbo systems, titanium exhausts, intercoolers and engine components for the Toyota Supra, Porsche 911 Turbo, Nissan GT-R, Ferrari and Lamborghini, and its R35 GT-R builds have trapped over 180 mph in the quarter mile and over 200 mph in the half mile.
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- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.


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