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  3. PORSCHE 99657256300

PORSCHE 99657256300 Windshield Wiper Cowl Air Vent Grille

fits model: Boxster. make: Porsche. year: 1997–2000.

99657256300 Porsche 97-00 Boxster Windshield Wiper Cowl Air Vent Grille Trim Oem

( Manufacturer Part Number: 99657256300 ), ( Color: Black ), ( Material: Aluminum ), ( Item Length: Oem ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Type: Cowl ), ( Ipn: 97-00 ), ( Manufacturer Warranty: 3 Months ), ( Attachment Type: Clip-on ), ( Features: Easy Installation ), ( Finish: Matte ), ( Country Of Origin: Germany )

Review PORSCHE Windshield Wiper Cowl Air Vent Grille Trim Oem fits BOXSTER 1997–2000

The **Porsche 996 Boxster (Chassis Number 57256300, Model Years 1997 2000) Windshield Wiper Cowl Air Vent Grille** is a meticulously crafted, high-performance component designed exclusively for the iconic 996 generation of Porsche s roadster, renowned for its blend of sporty elegance and engineering precision. This grille, integral to the vehicle s front-end aerodynamics and interior airflow, is engineered to seamlessly integrate with the Boxster s signature design language, featuring a sleek, functional aesthetic that complements the car s aggressive yet refined stance. Crafted from high-quality, durable materials, the grille ensures optimal airflow to the windshield wiper mechanism while maintaining structural integrity under the demanding conditions of high-speed driving and varying weather conditions. Its precise fitment is tailored to the 996 s unique body structure, accommodating the distinct contours of the cowl panel and ensuring a flush, factory-like appearance that enhances both the vehicle s visual appeal and functional efficiency. Whether restoring a classic Boxster to its original glory or upgrading an existing model for improved performance and aesthetics, this grille exemplifies Porsche s commitment to detail-oriented craftsmanship, delivering a perfect balance of form and function for enthusiasts who demand nothing less than perfection.

### **Pros and Cons of Buying a Porsche 996 Boxster (1997 2000) with a Modified Wiper Cowl, Air Vent, and Grille**

#### **Pros**

1. **Classic Porsche Design and Driving Experience**

The 996 Boxster (especially the early models) is a well-regarded entry into Porsche s roadster lineup, offering a balance of performance, handling, and timeless styling. The boxster design is lightweight, agile, and fun to drive, making it a favorite among enthusiasts.

2. **Modifications Enhance Aesthetics and Functionality**

- **Wiper Cowl Modifications:** A custom wiper cowl can improve airflow to the engine bay, reduce drag, and give the car a more aggressive, race-inspired look. Some aftermarket options also improve visibility in wet conditions by angling the wipers differently.

- **Air Vent Modifications:** Adding or modifying air vents (such as a front splitter or side vents) can enhance cooling performance, reduce lift at high speeds, and contribute to a more aggressive stance.

- **Grille Upgrades:** A custom grille (whether from a different Porsche model or a third-party manufacturer) can give the car a unique identity. Some grilles improve airflow to the radiator, while others are purely cosmetic.

3. **Potential for Increased Value with Proper Modifications**

If the modifications are well-executed and tasteful, they can make the car stand out in the collector s market. Some aftermarket parts, especially those from reputable brands, can appreciate in value over time.

4. **Community and Enthusiast Appeal**

The 996 Boxster has a dedicated following, and modified examples (especially those with subtle, high-quality upgrades) are often sought after by collectors. Joining the Porsche community can provide access to maintenance, parts, and events.

5. **Engine and Performance Potential**

The 996 Boxster comes with a 3.4L or 3.6L flat-six engine (depending on the model year), which is reliable and capable of modifications (turbocharging, supercharging, or engine swaps). Some owners enhance performance while keeping the original aesthetic intact.

6. **Affordability Compared to Other Classics**

While not cheap, a 996 Boxster is generally more affordable than a 911 or a modern Porsche, making it a more accessible classic sports car for enthusiasts.

---

#### **Cons**

1. **Common Reliability Issues**

The 996 Boxster has several known weaknesses:

- **Transmission Problems:** Early models (especially pre-2000) suffered from transmission failures, particularly in the 5-speed manual. The PDK (later models) is more reliable but still requires careful maintenance.

- **Water Pump and Timing Belt Issues:** The water pump often fails around 60,000 80,000 miles, and neglecting the timing belt can lead to catastrophic engine damage.

- **Electrical Gremlins:** The 996 is notorious for electrical issues, including faulty sensors, wiring harness problems, and infotainment system failures.

- **Rust:** Early models (especially those from colder climates) are prone to rust in the wheel wells, rocker panels, and subframe.

2. **Modifications Can Devalue or Complicate the Car**

- **Poorly Executed Mods:** Cheap or poorly fitted aftermarket parts (e.g., a mismatched grille, clashing wiper cowl, or functional but ugly air vents) can detract from the car s value and appeal.

- **Inspection Challenges:** Potential buyers may hesitate if the modifications are not documented or if they require extensive work to reverse.

- **Functional Risks:** Some modifications (e.g., aggressive air vents that disrupt airflow) could negatively impact cooling or handling if not properly engineered.

3. **Maintenance Costs**

Porsche parts (especially for older models) can be expensive, and labor costs for specialized work (e.g., transmission rebuilds, electrical diagnostics) add up quickly. Finding a qualified Porsche mechanic can be difficult in some areas.

4. **Depreciation and Market Saturation**

While some 996 Boxsters hold value, the market is saturated with examples, and heavily modified or poorly maintained cars depreciate faster. Collectors often prefer original or minimally modified examples.

5. **Driving Experience Trade-offs**

- **Ride Quality:** The 996 is stiff and noisy compared to modern cars, with a firm suspension that prioritizes handling over comfort.

- **Visibility:** Some modifications (e.g., aggressive wiper cowls or grilles) can obstruct the driver s view, especially in rain or when making tight turns.

- **Noise and Vibration:** The open-top design means wind noise is inevitable, and the engine (while smooth) can be louder than later Porsche models with improved sound insulation.

6. **Legal and Practical Considerations**

- **Street Legality:** Some modifications (e.g., aftermarket grilles or air vents) may not meet local DOT or insurance requirements, especially if they alter the car s structural integrity or aerodynamics.

- **Insurance Costs:** A modified Porsche, especially one with performance upgrades, can be expensive to insure due to its value and potential for high repair costs.

---

### **Conclusion**

Buying a **Porsche 996 Boxster (1997 2000) with modified wiper cowl, air vents, and grille** can be a rewarding experience if approached with caution. The car offers a fantastic driving experience and a strong following among enthusiasts, but its reliability issues, maintenance costs, and the potential pitfalls of modifications must be carefully considered.

**If the modifications are well-researched, high-quality, and enhance rather than detract from the car s function and aesthetics, this could be a great purchase for someone who:**

- Values classic Porsche driving dynamics.

- Is prepared for maintenance and potential repairs.

- Prefers a car with a unique, personalized look.

- Joins the Porsche community for support and networking.

**However, if:**

- The modifications are cheap, poorly fitted, or overly aggressive.

- The buyer is not prepared for the reliability challenges of the 996 platform.

- The goal is a low-maintenance, high-value collector s item, a later model (e.g., 987 Boxster) or a more modern Porsche may be a better choice.

---

### **Recommendation**

1. **Prioritize Reliability Over Modifications**

Before considering cosmetic upgrades, ensure the car is mechanically sound. Budget for:

- A full transmission inspection (or rebuild if needed).

- Water pump and timing belt replacement.

- Rust repairs (especially in critical areas).

- Electrical system diagnostics.

2. **Choose Modifications Wisely**

If modifying the wiper cowl, air vents, or grille:

- Opt for **high-quality, reputable aftermarket parts** (e.g., from brands like **Porsche Design, Eibach, or custom fabricators with a track record**).

- Ensure modifications **do not compromise functionality** (e.g., airflow, visibility, or structural integrity).

- Document all changes with receipts and photos for future resale.

3. **Buy from a Trusted Source**

- **Dealers:** A Porsche-certified dealer can provide a warranty and ensure the car s history is verified.

- **Private Sellers:** If buying privately, insist on a **pre-purchase inspection (PPI)** by a Porsche specialist.

- **Auctions:** Reputable auctions (e.g., RM Sotheby s, Bonhams) often have vetted examples, though they can be expensive.

4. **Consider a Later Model or Alternative**

If the 996 s reliability concerns are a dealbreaker, the **987 Boxster (2005 2012)** offers improved engineering, better electronics, and a more refined driving experience. Alternatively, a **911 Carrera** (if budget allows) provides a more premium classic Porsche experience.

5. **Budget for the Long Term**

Factor in **annual maintenance costs** (oil changes, brake jobs, fluid replacements) and **potential major repairs** (transmission, water pump, suspension). Aim for at least **$2,000 $3,000/year** in upkeep for a well-maintained 996 Boxster.

**Final Verdict:**

A **modified 996 Boxster with tasteful, functional upgrades** can be an excellent purchase for the right buyer someone who appreciates the car s heritage, is prepared for its quirks, and enjoys the process of restoring and maintaining a classic Porsche. However, it is not a "set-and-forget" car, and its value depends heavily on its condition and the quality of its modifications. **Proceed with thorough research, a pre-purchase inspection, and a realistic budget for both purchase and maintenance.**

Details:

This part may fit one or all of the described vehicles. Please match part number to ensure fitment. ENG: 2.5L TRAN: AUTO. 1997 PORSCHE BOXSTER K90.

All electronic items are tested before being listed. As a result of it being used part, the item may show light scuffs, scratches, or other imperfections. All of the parts are tested either before or after removal from vehicle. Fitment and Compatibility.

Shipping prices for ground apply only to the continental states of USA.

part #: 99657256300 price

  • $79.95

specifications cartrimmouldings:

  • for models: Boxster
  • for makes: Porsche
  • for years: 1997-2000
  • mpn: 99657256300
  • color: Black
  • material: Aluminum
  • item length: Oem
  • vintage part: No
  • placement on vehicle: Front
  • type: Cowl
  • ipn: 97-00
  • manufacturer warranty: 3 Months
  • attachment type: Clip-on
  • features: Easy Installation
  • finish: Matte
  • country of origin: Germany

shipping cartrimmouldings:

  • class: Expedited
  • transit: 3-7 Days
  • type: Fixed
  • cost: $25.00
  • service: USPS Priority Mail
  • carrier: USPS

offer cartrimmouldings:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • best offers: True
  • sold: 0
  • started: April 6, 2026

general cartrimmouldings:

  • Car Truck Parts Accessories > Exterior Parts Accessories > Body Moldings Trims
  • condition: Used

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  • # reviews: 11003
  • city: Lincoln, California
  • rating: 99.7%

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for models: boxster, for makes: porsche, for years: 1997-2000, item length: oem, vintage part: no, placement on vehicle: front, type: cowl, manufacturer warranty: 3 months, attachment type: clip-on, features: easy installation, finish: matte, country of origin: germany,
category: auto parts > car truck parts accessories > exterior parts accessories > body moldings trims, color: black, material: aluminum, sku: 14588264732092722,
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1 offer $79.95 USD
  • Used. Offer #1 priced at $79.95 + $135.65 shipping estimate = $215.60* total. #9MPORSCHE This is a wiper trim moulding windscreen for a 1997-99 Porsche 996 911 Carrera.+$135.65 shipping

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