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SLP 310013818 Muffler (LoudMouth II Bullet-Type 2.5 Inlet/Outlet (ea.)
SLP Bullet Race Muffler offers flow and performance similar to that of our original resonator but features a ceramic-wrapped, perforated core that reduces high-frequency noise and in-car resonance.
SLP 310013818 Muffler ("LoudMouth II" Bullet-Type 2.5" Inlet/Outlet (ea.)

Item #: 11006816

SLP 310013818 Muffler ("LoudMouth II" Bullet-Type 2.5" Inlet/Outlet (ea.)

Item #: 11006816

USD 153

Price Details

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*All items will import from US

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SLP Bullet Race Muffler offers flow and performance similar to that of our original resonator but features a ceramic-wrapped, perforated core that reduces high-frequency noise and in-car resonance.
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What Stands Out

Aggressive Sound
The LoudMouth II Muffler delivers an unmistakable, throaty exhaust note that enhances your vehicle's presence on the road, attracting attention and providing a sporty experience for performance enthusiasts.
Easy Installation
Designed with a straightforward installation process in mind, the 2.5-inch inlet/outlet allows DIY enthusiasts or professionals to equip their vehicles quickly without complex modifications.
Quality Construction
Built from durable materials, the LoudMouth II Muffler ensures long-lasting performance under various driving conditions, making it a reliable upgrade for anyone looking to improve their vehicle's exhaust system.

Product Details

Shop SLP 310013818 Muffler (LoudMouth II Bullet-Type 2.5 Inlet/Outlet (ea.) online at a best price in Turks and Caicos. B075HKKSKB
Brand NameSLP
Manufacturer Part Number310013818
UPC871782000096
ManufacturerSLP
Global Trade Identification Number00871782000096
Model Number310013818
Item Dimensions20 x 12 x 6 inches (50.8 x 30.5 x 15.2 cm)
Item Weight5 pounds (2.27 kg)
Compatible with Vehicle TypeCar
Material TypeStainless Steel
ShapeBullet
BrandSLP
MaterialStainless Steel
Item dimensions L x W x H20 x 12 x 6 inches (50.8 x 30.5 x 15.2 cm)
Vehicle Service TypeCar

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for car enthusiasts seeking enhanced exhaust sound and improved performance from their vehicles.

  • Race Cars

    Perfect for race cars needing high-volume exhaust systems for optimal engine performance and sound clarity.

  • Modification Projects

    A great choice for DIY auto modifiers looking to personalize and upgrade their vehicle's exhaust system.

Not Suitable For
  • Daily Commuters

    Not suitable for those desiring a quiet and comfortable driving experience during everyday commutes.

Product Description

SLP 310013818 Muffler ("LoudMouth II" Bullet-Type 2.5" Inlet/Outlet (ea.)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the SLP 310013818 Muffler LoudMouth II?

    Answer: The SLP 310013818 Muffler LoudMouth II is a performance muffler designed for an aggressive sound and enhanced exhaust flow. Ideal for high-performance vehicles, this bullet-type muffler features a 2.5-inch inlet and outlet, allowing for optimal exhaust gas release and improved engine efficiency. It's perfect for enthusiasts looking to upgrade their vehicle's sound and performance. This muffler not only provides a classic muscle car tone but also can help improve horsepower and torque in your vehicle.
  • Question: How does the LoudMouth II perform compared to stock mufflers?

    Answer: The LoudMouth II outperforms stock mufflers significantly by providing a louder and more aggressive exhaust note while enhancing exhaust flow. This results in increased power and throttle response. Unlike standard mufflers, which often suppress sound, the LoudMouth II allows for a raw and powerful sound, ideal for those who want a performance edge in both driving experience and engine efficiency. It's particularly useful in applications where performance tuning is essential, providing a thrilling auditory experience while enhancing overall engine function.
  • Question: Is the SLP LoudMouth II compatible with all vehicles?

    Answer: The SLP LoudMouth II Muffler is primarily designed for a range of specific models, especially muscle cars and performance vehicles, but may not fit all cars. It’s essential to check compatibility with your vehicle's make and model before purchasing. Custom modifications may be needed for certain applications. Always refer to SLP's compatibility charts or consult with a professional to ensure it is compatible with your vehicle setup for the best performance benefits.
  • Question: What benefits does the bullet-type design provide?

    Answer: The bullet-type design of the LoudMouth II contributes to reduced back pressure, which means your engine can expel exhaust gases more efficiently. This design aids in better flow dynamics compared to traditional mufflers. The increased flow can lead to enhanced horsepower and improved throttle response, making it ideal for those looking to maximize their vehicle’s performance. Additionally, this compact design makes it easier to fit in a variety of installations, providing flexibility for custom builds.
  • Question: Will the LoudMouth II fit with my aftermarket components?

    Answer: The LoudMouth II is designed to integrate well with many aftermarket exhaust systems but compatibility can depend on the specific parts involved. If you have already upgraded components like headers or catalytic converters, it’s best to verify the fitting with those parts in mind. Most custom setups will have compatibility options, but consulting with a professional installer or referring to SLP's guidelines can help ensure a proper fitment for optimal performance.
  • Question: What sound can I expect from the LoudMouth II?

    Answer: The LoudMouth II is known for its aggressive and deep sound profile, setting it apart from more subdued options. It produces a rumbling exhaust note that appeals to muscle car enthusiasts and those wanting to make a statement on the road. The sound can change with RPM ranges, giving a sporty feel during acceleration while providing a more manageable tone at cruising speeds. This makes it perfect for daily drivers that occasionally want to unleash their vehicle's power.
  • Question: Is professional installation recommended for the LoudMouth II?

    Answer: While some installation can be performed as a DIY task, professional installation is recommended for the SLP LoudMouth II to ensure proper fitment and performance. Professionals have the experience and tools to adjust the exhaust system as needed, facilitating a perfect seal and alignment. This avoids potential leaks or performance issues, making your investment more worthwhile. If you are not confident in your mechanical skills, selecting a qualified exhaust shop can save time and enhance the overall installation experience.
  • Question: How does this muffler impact vehicle emissions?

    Answer: The SLP LoudMouth II Muffler does not directly affect vehicle emissions but is typically used alongside performance upgrades that can optimize engine output. Ensuring your vehicle is tuned correctly post-installation can maintain or improve emissions levels within legal requirements. Vehicles already equipped with performance parts may already have modified emissions systems; however, compliance with local emissions regulations should be flagged when considering upgrades. Always check local guidelines to ensure your vehicle remains within legal parameters.
  • Question: Where can I buy SLP 310013818 Muffler LoudMouth II Bullet-Type 2.5 InletOutlet ea.?

    Answer: You can purchase the SLP 310013818 Muffler LoudMouth II Bullet-Type 2.5 InletOutlet ea. from Ubuy in Turks and Caicos. Ubuy offers a wide range of automotive performance parts, making it convenient to find this high-quality muffler for your vehicle. Whether you're looking to enhance your car's sound or overall performance, Ubuy can provide you with the product you need, along with useful customer service and additional specifications.

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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