GRIMMSPEED 380007 Grm Knobs 850037989621

( Brand: Grimmspeed ), ( Manufacturer Part Number: 380007 ), ( Type: Interior Accessories ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( Authorized Dealer: Yes ), ( Height: 2.500 ), ( Legal Disclaimer: Your Local Laws Before Purchasing ), ( Photo Disclaimer: For Reference Only, See Item Details ), ( UPC: 850037989621 )

Review GRIMMSPEED Grm Shift Knobs

Introducing the Grimmspeed GRM Knobs, a must-have accessory for your Subaru engine bay. These knobs are not just functional components, but also a stylish upgrade for your vehicle's appearance.

The Grimmspeed GRM Knobs are CNC machined from 6061-T6 billet aluminum, ensuring a durable and robust construction. Each knob has a black anodized finish that not only looks great but also provides protection against corrosion and wear. The knobs are designed to fit perfectly on Subaru engines with M14x1.5 thread pitch, making them a direct replacement for the OEM knobs.

One of the standout features of the Grimmspeed GRM Knobs is their ergonomic design. The knobs have a textured surface that provides a secure and comfortable grip, making it easier to adjust various components under the hood. The knobs also come with a laser-etched logo, adding a touch of sophistication to your engine bay.

Installing the Grimmspeed GRM Knobs is a straightforward process. They come with a set of OEM-style hex head screws, making installation hassle-free and quick. The knobs are also compatible with most aftermarket boost controllers and wastegate actuators, making them a popular choice among Subaru enthusiasts.

In summary, the Grimmspeed GRM Knobs are a high-quality and stylish upgrade for your Subaru engine bay. Their robust construction, ergonomic design, and easy installation make them a popular choice among Subaru enthusiasts. With their black anodized finish and laser-etched logo, these knobs not only enhance the functionality of your vehicle but also add a touch of style to your engine bay.

Grimmspeed 380007 GRM Knobs are aftermarket throttle body parts designed to provide better drivability and response in Subaru WRX and STI vehicles. Here are some pros and cons of buying these knobs:

1. Improved Throttle Response: The Grimmspeed GRM Knobs are known for their ability to improve throttle response, making the engine feel more responsive and lively.

2. Easy Installation: These knobs are relatively easy to install, and the process doesn't require any major modifications to the engine or wiring.

3. Durability: The Grimmspeed GRM Knobs are made from high-quality materials and are designed to last longer than OEM parts.

4. Customization: These knobs offer a unique look and help distinguish your vehicle from stock models.

5. Performance Gain: Some users have reported a small performance gain after installing these knobs.

1. Cost: The Grimmspeed GRM Knobs are more expensive than OEM parts, which may be a deterrent for some buyers.

2. No Emissions Testing: These knobs are not CARB (California Air Resources Board) certified, which may be a concern for those living in California or other emission-controlled areas.

3. Rough Idle: Some users have reported a rough idle after installing these knobs, although this issue is not universal.

4. Noise: These knobs may produce a louder throttle noise than OEM parts, which some users may find unpleasant.

In conclusion, the Grimmspeed 380007 GRM Knobs offer improved throttle response, better durability, and a unique look for Subaru WRX and STI owners. However, they come with a higher cost, potential emissions concerns, rough idle issues, and increased throttle noise.

If you're looking for a simple and cost-effective way to improve throttle response, the Grimmspeed GRM Knobs may be an excellent choice for you. However, if you're concerned about emissions, rough idle, or noise, you may want to consider other options or modifications. Ultimately, the decision is up to you and your priorities as a Subaru owner.

Details:

GrimmSpeed Tallboy Shift Knob Aluminum Black - M12x1.25, M12x1.25.

part #: 380007 prices

• $82.90-$95.16

specifications shifterfreddie:

• brand: Grimmspeed
• mpn: 380007
• type: Interior Accessories
• manufacturer warranty: 1 Year Manufacturer Warranty
• authorized dealer: Yes
• height: 2.500
• legal disclaimer: Your Local Laws Before Purchasing
• photo disclaimer: For Reference Only, See Item Details
• upc: 850037989621

payments shifterfreddie:

• wallet: Apple-pay
• other
• credit card: Diners-club

shipping shifterfreddie:

• service: Expedited, Standard
• transit: 3-7 Days
• cost: $0.00
• type: Fixed
• class: Expedited, Standard

offer shifterfreddie:

• options: Ship-to-home
• availability: In Stock
• quantity: 9
• started: May 22, 2025
• sold: 0

returns shifterfreddie:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

seller shifterfreddie:

• # reviews: 175738
• city: Arlington, TX
• rating: 97.8%

general shifterfreddie:

• condition: New
• Car Truck Parts Accessories > Interior Parts Accessories > Shift Knobs

Grimmspeed 380007 Is Similar To:

• Grimmspeed 038007 Standard Shift Knob Delrin Plastic Black M12x1.25 Manual For Subaru (50.8% similar) Each knob weighs 120G, a fraction of its stainless steel counterpart. Manufacturer: Grimmspeed, part number: 038007, condition: new: perfect size and weight for the perfect shift. Each shift knob also receives laser etched Grimmspeed logos around the base. The shift knob itself...(December 18th, 2024)
• Grimmspeed 038006 Standard Shift Knob Stainless Steel Raw M12x1.25 Manual For Subaru (49.6% similar) They are the perfect mixture of refinement and functionality, featuring a hybrid design that is comfortable in both overhand side grip driving styles. Your choice of a raw stainless finisher the all new neon green, red or black textured powder coat options, each shift knob is also laser etched...(December 18th, 2024)
• Grimmspeed 380006 Tallboy Shift Knob Delrin Plastic Black M12x1.25 Manual For Subaru (49.6% similar) Each shift knob also receives laser etched Grimmspeed logos around the base. The shift knob itself features a hybrid design that is comfortable in both overhand, and side grip driving styles. Manufacturer: Grimmspeed, part number: 380006, condition: new: perfect size and weight...(January 19th, 2025)
• Grimmspeed 380008 Tallboy Shift Knob Aluminum Red M12x1.25 Manual For Subaru (51.4% similar) These new shift knobs are nearly double the height of our previous model's, coming out to this extra height moves the shift position 35 percent closer to steering wheel, allowing for quicker, crisper shifts. Deleon knob weight. The option of material, weight, size and finish has made them the...(January 21st, 2025)
• Grimmspeed Grm380006 Tallboy Delrin Shift Knob M12x1.25 For Subaru Manual Black (51.8% similar) These new shift knobs are nearly double the height of our previous model's, coming out to 5.5 tall. The option of material, weight, size and finish has made them the go-to for best shift feel possible. These are designed to fit the both 5 and 6 speed manual Subaru sifters right out of box M12X1...(April 2nd, 2025)
• Grimmspeed 380001 Grm Shift Knobs (97% similar) Grimmspeed shift knob stainless steel - fits Subaru 5 speed and 6 manual transmission black. Photos are for reference only. Actual product may differ from the item shown in photograph...(April 8th, 2025)
• Grimmspeed 380009 Tallboy Shift Knob Aluminum Neon Green M12x1.25 Manual For Subaru (48.3% similar) This extra height moves the shift position 35 percent closer to steering wheel, allowing for quicker, crisper shifts. We didn't want to stray away from that in the design of tallboy, but rather embrace concept a more bold form-factor. The option of material, weight, size and finish has made them...(April 15th, 2025)
• Grimmspeed 380002 Grm Shift Knobs (97% similar) Photos are for reference only. Grimmspeed stubby shift knob stainless steel black - M12X1.25. Actual product may differ from the item shown in photograph...(May 10th, 2025)
• Grimmspeed 380005 Stubby Shift Knob Stainless Steel Neon Green M12x1.25 Manual For (50.4% similar) 25, but if you'd like to hold the shift boot up on your 5 speed setup, you'll want add our shift boot retainer. Manufacturer: Grimmspeed, part number: 380005, condition: new: perfect size and weight for the perfect shift, every time. Weighing in at 675G, this knob will add an...(June 14th, 2025)
• Grimmspeed 1.1006.1.ss Swap-top Weighted Shift Knob Piston Stainless Steel For Wrx And Sti (42.3% similar) 2008-2014 Rx. Grimmspeed swap-top weighted shift knob kit - piston. Brand: Grimmspeed. Condition: new product. 2006 -2007 Rx. 2015 -2021 Rx. Fitments: Subaru 2002 -2005 Rx...(June 24th, 2025)
• Grimmspeed 038012 Shift Knob Boot Retainer (66.7% similar) M12X1.25 thread pattern and pitch for both, fits Subaru manual transmissions some other brands. Grimmspeed stubby shift knob and boot retainer that pair together perfectly...(June 27th, 2025)