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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
CTRX 50mm Blow-Off Valve (905000-1)Ultra Fast Venting. Compact Design. Maximum Flow Efficiency. The Comp Turbo CTRX 50mm Blow Off Valve is engineered for high performance engines that demand rapid response, exceptional airflow, and rock solid reliability. Designed around a lightweight, high flow 50mm piston, the CTRX 50 delivers instant pressure release to eliminate compressor surge, protect turbochargers under heavy load, and provide smooth throttle transitions at any boost level.
Ultra-Fast Venting. Compact Design. Maximum Flow Efficiency.
The Comp Turbo CTRX 50mm Blow-Off Valve is engineered for high-performance engines that demand rapid response, exceptional airflow, and rock-solid reliability. Designed around a lightweight, high-flow 50mm piston, the CTRX 50 delivers instant pressure release to eliminate compressor surge, protect turbochargers under heavy load, and provide smooth throttle transitions at any boost level.
Compact, efficient, and built from premium materials, the CTRX 50 is significantly smaller and lighter than conventional large frame valves. Whether used in competition, high power street builds, or motorsport applications, this BOV offers maximum performance without unnecessary bulk.
Key Features
- 50mm high flow valve engineered for maximum discharge volume
- Lightweight billet 6000-series aluminum construction for durability and thermal stability
- High efficiency internal flow design for extremely fast venting and surge elimination
- Compact low-profile body significantly smaller and lighter than competing valves
- Quick-release V-band collar for secure, simple installation and servicing
- Mil-Spec hard-anodized piston guide and stem for long-term reliability
- High temperature silicone Nomex diaphragm for consistent response under extreme heat
- Twin 1/8” NPT reference ports for flexible routing and boost-control strategies
- Positive seal valve seat ensures stable operation even at high boost
Built for High Boost Performance
The CTRX 50mm Blow-Off Valve delivers class-leading flow and unmatched actuation speed ideal for compound setups, large-frame turbos, and serious street or race applications.
What's Included:
-
Aluminum Strap-type V-band Clamp
-
Aluminum 6061 Inlet weld flange
-
Hose tail & blank fitting kit
-
CT decal
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 486 reviews
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Product Reviews
★★★★★ 4
Good quality office chair with movable arms
Color: Dark, Color: Dark
This chair was relatively easy to put together. After unboxing and laying out all of the parts, my husband and I built it in 22 minutes. We noticed how the instructions have you put the tilt mechanism bracket on after putting the back and arms on. Another chair we built was the opposite, which made attaching it to the base actually easier. That way just made more sense.
This way, you put the back and seat together using the arms, then you attach the tilt mechanism to the bottom of the seat, but the seat is at an angle when you do this. Then you lift the whole chair and place it down onto the legs. I'm glad there were two of us to do that part. We also noticed one of the holes for screwing in the arm bracket was not lined in metal like the rest of them were. It still worked, though.
It does rock a bit back and forth. The height adjusting rod also locks the chair in place for when you don't want the chair to lean back. There is a knob underneath that allows you to loosen or tighten how much it moves when you lean back or rock.
The material is faux leather. It looks like real leather and feels pretty good. This makes it easy to clean. The arms can be raised level with the back of the chair to make it easy to slide out of the side of the chair. Overall this chair has a pretty classic look to it and is comfortable to sit in. It even has some lumbar support.
The way the back of the chair and the seat of the chair connect together leaves a little bit of a gap. Nothing major, but you could lose coins or keys through the gaps between the cushions. If you have a cat, this would be a great way for them to poke their paws through and say hello.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good value.
Color: Dark
Well built, looks good, and the material used are ok.
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Reviewed in the United States on June 4, 2026
★★★★★ 4
Nice office chair!
Color: Dark
This is a nice office chair. All of the features work as stated. I would say the seat is slightly more firm than I prefer, but comfort is subjective. The pleather is soft and I like that the arm rests fold out of the way.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
This Marsail Executive Office Chair Is Excellent For A Comfortable And Polished Desk Setup
Color: Dark
This Marsail executive office chair is excellent, and it brings together comfort, support and a clean professional look in a very practical way. The PU leather has a smooth, polished presence that suits a desk chair well without looking overly bulky. I appreciate that the design includes flip-up armrests, a height-adjustable seat, swivel movement and rolling mobility in one complete chair. The cushioning gives the chair a substantial seated feel, while the back design adds support without making the chair look heavy. It is an office chair that feels thoughtfully built for daily desk work, focused tasks and general seated comfort.
The chair arrived securely protected and in very good condition, with the main parts kept in place well through transit. The PU leather surfaces looked clean, smooth and free from distracting marks when unpacked. The base, wheels, armrests, backrest and hardware all appeared properly finished and ready for assembly. Nothing about the chair parts looked loose, flimsy or poorly handled when it arrived. The included components were organized.
The appearance of this chair is one of its strongest qualities because it has a dark, sleek and professional style. The chair fabric gives it a refined executive look, while the breathable mesh center keeps the backrest from appearing too solid or oversized. The flip-up armrests blend into the design nicely and add a cleaner profile when raised. The chair has a balanced shape, with a supportive back, plush seat and wide base that all work together visually. It looks modern without being too flashy, which makes it easy to place with different desks and work areas.
Functionality is where this chair becomes especially practical because it is easy to put together and simple to adjust. The height adjustment works well for getting the seat into a comfortable position at a desk. The swivel and rolling movement make it easy to shift, turn and reach without the chair feeling stiff. The reclining range and gentle rocking function add a useful option for leaning back during breaks. The flip-up armrests are especially convenient because they allow the chair to tuck under a desk more easily and create extra freedom of movement when needed.
The value is strong because this chair offers several useful features in one well-rounded design. The thicker cushioning, contoured support, PU leather surface, breathable backrest, reclining function and flip-up armrests all add to its usefulness. The sturdy base and stated 300-pound support rating also give it a more dependable feel than a basic desk chair. It provides the comfort expected from an executive chair while still offering space-saving details that make it practical. For the features, comfort and overall build, it delivers a very complete office seating option.
I highly recommend this Marsail executive office chair for anyone wanting a comfortable, polished and functional desk chair. It is excellent, easy to put together and built with enough adjustability to support different work habits. The combination of plush cushioning, ergonomic shaping, smooth movement and flip-up armrests makes it especially useful for a home office or workspace. I also like that it has a professional look without sacrificing everyday convenience. It is a strong choice for dependable seating that looks good, works well and offers solid comfort.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Comfortable for daily use!
Color: Dark, Color: Dark
After using this chair for work and general desk time, I think it does a nice job balancing comfort, adjustability, and overall build quality without feeling overly bulky or cheap. It feels designed for people who spend long stretches at a desk and want something supportive but still comfortable enough to relax in occasionally.
Assembly was straightforward. The instructions were clear, the hardware was organized well, and all the holes lined up properly during setup. I put it together by myself in around 20 minutes without needing extra tools. Once assembled, the chair immediately felt sturdy and stable rather than wobbly.
The overall quality is solid for this price range. The PU leather has a soft feel and doesn’t have the stiff plastic-like texture some office chairs use. The stitching looks clean, the armrests feel secure, and the rolling base moves smoothly across the floor. The chair also feels durable overall, especially around the frame and base where cheaper chairs sometimes feel weak or shaky after a few weeks of use.
It's very comfortable. The seat cushion is thick and supportive without feeling overly hard, and it stays comfortable during long work sessions. I’ve spent multiple hours at a time sitting in it without constantly adjusting positions or feeling pressure points. The mesh section in the backrest also helps airflow a bit, which keeps it from feeling too hot during extended use.
The lumbar support is great. The backrest naturally follows the curve of your spine and provides good lower back support while still feeling relaxed enough for casual sitting. I also liked the higher back design since it supports the upper back and shoulders well during longer periods at the desk.
The flip-up armrests ended up being more useful than I expected. They make it easy to slide the chair under the desk when not in use, and they also give more room if you like sitting cross-legged occasionally.
Solid chair overally. It has a good mix of comfort, support, ease of use, and practical features without feeling overpriced.
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Reviewed in the United States on May 26, 2026
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