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Description
GFB Mach 2 TMS Recirculating Diverter Valve - 25mm Inlet/25mm OutletALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce Installation Instructions This Part Fits: Year Make Model Submodel 1997 2005 Audi A4 Base 2003 2006 Audi A4 Cabriolet 2000 2006 Audi TT Base 2003 Saab 9 3
ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce
Installation InstructionsThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2005 | Audi | A4 | Base |
| 2003-2006 | Audi | A4 | Cabriolet |
| 2000-2006 | Audi | TT | Base |
| 2003 | Saab | 9-3 | Arc |
| 1999-2001 | Saab | 9-3 | Base |
| 2003 | Saab | 9-3 | Linear |
| 1999-2003 | Saab | 9-3 | SE |
| 2003 | Saab | 9-3 | Vector |
| 2000-2001,2006-2009 | Saab | 9-5 | 2.3t |
| 2000-2005,2008-2009 | Saab | 9-5 | Aero |
| 2004-2005 | Saab | 9-5 | Arc |
| 1999 | Saab | 9-5 | Base |
| 2000 | Saab | 9-5 | Gary Fisher |
| 2009 | Saab | 9-5 | Griffin |
| 2002-2005 | Saab | 9-5 | Linear |
| 1999 | Saab | 9-5 | SE |
| 2002-2003 | Volkswagen | Beetle | GL |
| 2002-2005 | Volkswagen | Beetle | GLS |
| 2002-2004 | Volkswagen | Beetle | GLX |
| 2002 | Volkswagen | Beetle | Sport |
| 2002-2004 | Volkswagen | Beetle | Turbo S |
| 2000-2001 | Volkswagen | Golf | GLS |
| 2002-2005 | Volkswagen | Golf | GTI 1.8T |
| 2003 | Volkswagen | Golf | GTI 20th Anniversary |
| 2002 | Volkswagen | Golf | GTI 337 |
| 2000-2001 | Volkswagen | Golf | GTI GLS |
| 2003-2005 | Volkswagen | Passat | GL |
| 1998-2005 | Volkswagen | Passat | GLS |
| 2004-2005 | Volkswagen | Passat | GLS 4 Motion |
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Exchange/Return Notes
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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Lightweight and easy to move.
Size: 3 Panel, Color: Dark Gray
Very lightweight, easy to move. Looks nice in my room. I bought this to direct the flow of window unit air conditioner. Because of how we need to arrange the furniture, the a/c blew directly on us, making it uncomfortable. With this in front fifth a/c, I can arrange the panels to direct the flow out into the room instead of on us.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Great Find
Size: 4 Panel, Color: Brown
Very sturdy. Attractive. Indoor/Outdoor
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Reviewed in the United States on February 16, 2026
★★★★★ 1
Cheap
Size: 4 Panel, Color: Brown
Looks ok. However, it is flimsy and peels. Not worth the cost.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Completed by myself but 2 is faster
Color: Classic Cherry, Size: L:29.80" x W:12.99" x H:71.26", Color: Classic Cherry, Size: L:29.80" x W:12.99" x H:71.26"
This bookshelf was the closest to what I was looking for. My current bedroom theme is sort of a cross between medieval castle/Hogwarts mixed with Disney and anime. The bookshelf has the “fancy library” feel that I was going for and the nice rich color of the brown goes so well with the grey stone background of the wall. I would love to order a second one but my room isn’t big enough. The top half I use for the small handful of my favorite books “since I have a lot of books in storage” and the lower half of the shelf, behind the doors, was supposed to be for movies but I decided to store my video games there instead. There’s also plenty of room at the edge of the shelves in front of the books for small knickknacks.
The shelf is decent in sturdiness and weight and the wood is typical particles but still pretty thick. The cardboard backing was also easy to hammer on.
However, I do have a couple of complaints during assembly.
1) The cupboard doors need to be held exactly where you want them and either you need to have something hold them in place, or else have a second person hold them in place for you. Otherwise one door will scrape against the top or bottom edge of the frame, or there will be a weird gap between the doors when closed. Also, the back of the door handles have two little pegs sticking out and the cupboard doors have a little hole where the pegs should go. However, the holes are not aligned and the first time I attached the handles, one handle ended up being higher than the other. After a while, I had the idea of removing the handles and switching the doors. Once I did that, the handles were aligned correctly. But neither door or handle is marked, so there’s no way of knowing the handles won’t line up until you try putting the handles on. Bit annoying.
2) One of the final steps is to attach the trim to the individual shelves. If you look at the front of each of the two top shelves in my pictures, you will notice the thickness of the front edge. That is actually a separate piece of wood that needs to be attached. However, there are no holes to put the screws through. Instead there is a narrow opening that runs along the entire length like a thin trench. The screw goes through the opening until it reaches the bottom and then goes through the wood. Once they are attached, you can wedge the shelves into the bookshelf. However, if it turns out that the trim is uneven and there is an annoying gap on one side (which there more than likely will be) you CAN NOT unscrew it, readjust it, and screw it on again. That will split the wood. It happened to me with both trims. Now both trims tilt downward a tiny bit.
Other than those two issues, this shelf is great. I managed to assemble it myself but it took me nearly 3 hours and I was assembling it in a narrow hallway. Definitely would have been faster if I had help and more space to work but was still doable alone. Despite the setbacks, I still give this 5 stars. Mostly for aesthetics, sturdiness, depth of the shelves, and the ability to assemble it alone.
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Reviewed in the United States on July 15, 2021
★★★★★ 5
Absolutely love it?
Color: Classic Cherry, Size: L:29.80" x W:12.99" x H:71.26", Color: Classic Cherry, Size: L:29.80" x W:12.99" x H:71.26"
Five-Star Review: Sauder Heritage Hill Library with Doors/Book Shelf
I am genuinely impressed with this Sauder Heritage Hill Library. It combines classic style with practical storage, making it a standout addition to any living room or home office.
Timeless Design:** The Classic Cherry finish exudes warmth and traditional charm. The molding, paneling, and overall silhouette instantly elevate the room’s decor, pairing well with both antique and contemporary furnishings.
Generous Storage:** With a full bookcase on top and two doors below, there’s ample space for books, decorative accents, and office essentials. The combination of open shelving and enclosed storage helps keep the area tidy while still displaying favorite items.
Perfect Dimensions:** Measuring L: 29.80" x W: 12.99" x H: 71.26", it fits nicely in a variety of spaces—from compact living rooms to home offices. It doesn’t overwhelm a room and still provides substantial storage.
Solid Construction:** The piece feels sturdy and well-made. The materials and craftsmanship reflect Sauder’s reputation for durability, giving me confidence it will endure daily use for years.
Easy Assembly:** While any bookshelf can be a bit of a project, the assembly process was straightforward with clear instructions. The hardware and fittings lined up as expected, and it came together without issue.
Versatile Styling:** The neutral cherry finish blends with a range of color schemes—from rich burgundies and creams to soft grays and blues. It’s easy to accessorize with framed photos, lamps, and keepsakes.
Practical Features:** The doors on the bottom are great for concealing clutter, while the open shelves top show off favorites. The overall footprint is efficient for maximizing storage without sacrificing style.
Value:** Given the blend of classic aesthetics, functional shelving, and robust build, this is excellent value for money in its category.
If you’re looking for a stylish, durable, and versatile library with doors that adds character and organized storage to your space, the Sauder Heritage Hill Library is a superb choice. Five stars from me. Highly recommended!
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Reviewed in the United States on October 11, 2025