1. Manifolds & Headers Offered
  2. sku: 7867388212567761
  3. PORSCHE 99611303

PORSCHE 99611303 Exhaust Muffler Manifold Header Down Pipe 99-00-01

fits model: 911, Carrera. make: Porsche. year: 1999–2001.

99611303 Porsche 99-01 Carrera 911 996 Exhaust System Muffler Manifold Header Down Pipe

( Type: Exhaust Pipe ), ( Ipn: 99 00 01 ), ( Oe/oem Part Number: 99611303 ), ( Manufacturer Warranty: 6 Months ), ( Country/region Of Manufacture: Germany ), ( Placement On Vehicle: Left, Lower, Rear, Exhaust, Exhaust System, Passenger ), ( Fuel Type: Gasoline )

Review PORSCHE Exhaust System Muffler Manifold Header Down Pipe fits CARRERA 911 1999–2001

Introducing the Porsche 996 11303 Exhaust Muffler Manifold Header Downpipe, a high-performance aftermarket component designed specifically for the 99-01 Carrera 911 (996) model. This downpipe is a must-have for those seeking to optimize their vehicle's exhaust system for improved power, performance, and sound.

The 11303 Downpipe is a header-style component, which means it replaces the original factory catalytic converters and connects directly to the engine's cylinder heads. This design allows for a freer-flowing exhaust system, reducing backpressure and enabling the engine to breathe more efficiently. The result is increased power and torque throughout the rev range.

This downpipe is manufactured from high-quality stainless steel, ensuring durability and resistance to corrosion. The polished finish not only looks great but also helps to protect the component from the elements. The 11303 Downpipe is a direct bolt-on replacement for the factory part, making installation straightforward and hassle-free.

One of the most noticeable benefits of upgrading to this downpipe is the enhanced exhaust note. The freer-flowing system allows for more exhaust gases to exit the engine more quickly, resulting in a more aggressive and satisfying exhaust sound. For those who want to hear the iconic Porsche flat-six engine note in its purest form, this downpipe is an excellent investment.

It is important to note that this downpipe does not include the catalytic converters, which are responsible for reducing exhaust emissions. As such, it may not be legal for use on public roads in some areas. It is the responsibility of the purchaser to ensure that this component complies with local regulations before installation.

In conclusion, the Porsche 996 11303 Exhaust Muffler Manifold Header Downpipe is an excellent upgrade for enthusiasts seeking to enhance the performance and sound of their 99-01 Carrera 911 (996) model. With its high-quality stainless steel construction, direct bolt-on design, and noticeable power gains, this downpipe is a worthwhile investment for any serious Porsche enthusiast.

I. Introduction

The Porsche 996 Carrera is a classic sports car produced by Porsche between 1993 and 2005. It is a rear-engine, rear-wheel-drive vehicle known for its iconic design, powerful performance, and desirable status among car enthusiasts. If you're considering buying a used Porsche 911 Carrera, here are some pros and cons to keep in mind.

Pros:

1. Iconic design: The Porsche 911 Carrera is an iconic sports car with a distinctive silhouette and unique design elements. Its timeless appearance and distinctive sound make it a desirable collectible for many car enthusiasts.

2. Performance: The Carrera model is known for its impressive power and handling capabilities. With a rear-mounted flat-six engine, it delivers a balanced and agile driving experience.

3. Desirability: The Porsche 911 Carrera has a strong following among car enthusiasts and collectors, making it a desirable used car purchase.

Cons:

1. Maintenance: Like any used car, a Porsche 911 Carrera requires regular maintenance to keep it running optimally. This includes regular oil changes, tire rotations, and brake inspections.

2. Cost: A used Porsche 911 Carrera can be an expensive purchase, especially if you're looking for a well-maintained example with low miles. Prices can vary widely depending on the condition of the car, its history, and its options.

3. Depreciation: Since the Porsche 911 Carrera is a used car, it will naturally depreciate over time. This means that the value of the car may not keep up with inflation or increased production costs of newer models.

4. Limited customization: While the Porsche 911 Carrera is a classic design, it may not offer the same level of customization as a new car. For example, you may not be able to add custom wheels or a unique paint job to make it truly your own.

5. Lack of modern features: Older cars like the Porsche 911 Carrera may not come with the latest safety features or advanced infotainment systems. This means that you may be sacrificing some modern conveniences for the classic design.

Conclusion:

The Porsche 911 Carrera is a desirable used sports car with iconic design, impressive performance, and a dedicated following among car enthusiasts. While it may come with some cons, such as maintenance costs and depreciation, its pros far outweigh its cons. If you're in the market for a used Porsche 911 Carrera, keep these pros in mind and consider the benefits carefully before making a purchase.

part # 99611303 prices

  • $38.00-$140.00

specifications maniheader:

  • for models: 911, Carrera
  • for makes: Porsche
  • for years: 1999-2001
  • type: Exhaust Pipe
  • interchange part number: 99 00 01
  • oe/oem part number: 99611303
  • manufacturer warranty: 6 Months
  • country/region of manufacture: Germany
  • placement on vehicle: Left, Lower, Rear, Exhaust, Exhaust System, Passenger
  • fuel type: Gasoline

returns maniheader:

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

payments maniheader:

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

shipping maniheader:

  • type: Fixed
  • transit: 2-6 Days
  • class: Standard
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $20.00

seller maniheader:

  • rating: 98.9%
  • # reviews: 39166

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: Used

offer maniheader:

  • started: September 4, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • quantity: 1
for models: 911, carrera, for makes: porsche, for years: 1999-2001, type: exhaust pipe, oe/oem part number: 99611303, manufacturer warranty: 6 months, country/region of manufacture: germany, placement on vehicle: left, lower, rear, exhaust, exhaust system, passenger, fuel type: gasoline,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 7867388212567761,

Porsche 99611303 Is Similar To:

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5 offers $38.00–$140.00 USD
  • Offer #1: $94.50 price + $8.95 delivery = $103.45* total. All of the parts are tested either before or after removal from the vehicle. 97-04 Porsche Boxster 986.+$8.95 shipping
  • Offer #2: $140.00 price + $Calculated delivery = $140.00* total. Transmission : RWD Porsche Boxster 2001.+$Calculated shipping
  • Offer #3: $38.00 price + $20.00 delivery = $58.00* total. It has normal wear of use because it is a used part.+$20.00 shipping
  • Offer #4: $116.00 price + $10.00 delivery = $126.00* total.+$10.00 shipping
  • Offer #5: $400.00 price + $300.00 delivery = $700.00* total. Manufacturer Part Number: 99650531104 / 996 505 311 04 / 996-505-311-04 / 996.505.311.04, 99650531107 / 996 505 311 07 / 996-505-311-07 / 996.505.311.07, 99650555304 / 996 505 553 04 / 996-505-553-04 / 996.505.553.04, 99650552500 / 996 505 525 00 / 996-505-525-00 / 996.505.525.00, 99650552600 / 996 505 526 00 / 996-505-526-00 / 996.505.526.00, / 964 505 103 00 / 964-505-103-00 / 964.505.103.00, 99650511102 / 996 505 111 02 / 996-505-111-02 / 996.505.111.02. OE/OEM Part Number: 99650531104.+$300.00 shipping