Description

Muffler – Original 40 – 2.5 in Offset Inlet – 2.5 in Offset Outlet – 13 x 9.75 x 4 in Oval Body – 19 in Long – Steel – Black Paint – Universal – Each

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About FLOWMASTER

Flowmaster started out over 30 years ago, developing mufflers and exhaust systems for race cars to reduce noise without impacting power output. Today, Flowmaster has become one of the most respected names in the automotive aftermarket. With a full line of exhaust systems and components available for a huge selection of vehicles, they are known for systems that deliver an aggressive sound and noticeable power increases over stock.

Reviews

There are no reviews yet.

Be the first to review “FLOWMASTER 40 Series Performance Muffler 42543”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    KYB SHOCKS Replacement Shock 5550013

    SKU: KYB5550013
    Product information
    • Weight6.65 lbs
    • Dimensions26.00 × 4.50 × 3.00 in
    • Hardware Included

      Yes

    • Quantity

      Each

    • Product Line

      Gas-A-Just

    • Internal Design

      Monotube

    • Gas/Hydraulic

      Gas

    Details...
    Original price was: $84.51.Current price is: $76.83.Add to cart
    Original price was: $84.51.Current price is: $76.83.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORM SBC Crank Turning Socket 66901

    SKU: PFM66901
    Product information
    • Weight0.23 lbs
    • Dimensions7 × 4.55 × 1.85 in
    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Intended Mounting Location

      Crankshaft Snout

    Details...
    Original price was: $21.53.Current price is: $19.57.Add to cart
    Original price was: $21.53.Current price is: $19.57.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORM Mini-Starter Solenoid 66256S

    SKU: PFM66256S
    Product information
    • Weight1.62 lbs
    • Dimensions6.25 × 2.4 × 2.4 in
    • Material

      Steel

    • Color

      Cadmium

    • Finish

      Plated

    • Quantity

      Each

    • Mounting Location

      Starter

    Details...
    Original price was: $24.61.Current price is: $22.37.Add to cart
    Original price was: $24.61.Current price is: $22.37.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS OXIDE SYSTEMS Micro Switch & Bracket Kit – Gen 3 Dominator 16520NOS

    SKU: NOS16520
    Product information
    • Weight0.1 lbs
    • Dimensions5.45 × 2.95 × 2.3 in
    • Quantity

      Kit

    • Intended Application

      Carburetor

    • Activation Method

      Push

    • On/Off/Momentary

      Momentary

    • Terminal Style

      Spade

    Details...
    Original price was: $55.00.Current price is: $49.95.Add to cart
    Original price was: $55.00.Current price is: $49.95.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS OXIDE SYSTEMS 4500 Billet Micro Switch Bracket Kit 16514NOS

    SKU: NOS16514
    Product information
    • Weight0.095 lbs
    • Dimensions4.2 × 3.2 × 1.3 in
    • Quantity

      Kit

    • Intended Application

      Carburetor

    • Activation Method

      Push

    • On/Off/Momentary

      Momentary

    • Terminal Style

      Spade

    Details...
    Original price was: $100.00.Current price is: $90.15.Add to cart
    Original price was: $100.00.Current price is: $90.15.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MOROSO Throttle Cable Mounting Kit 65047

    SKU: MOR65047
    Product information
    • Weight2.25 lbs
    • Dimensions14.2 × 12.4 × 1.8 in
    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Kit

    • Mounting Location

      Carburetor

    Details...
    Original price was: $256.44.Current price is: $222.99.Add to cart
    Original price was: $256.44.Current price is: $222.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR E-Brake Boot Trans Mt 70-EHBT

    SKU: LOK70-EHBT
    Product information
    Details...
    Original price was: $53.85.Current price is: $48.95.Add to cart
    Original price was: $53.85.Current price is: $48.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER Black Max Shock W/Black Boot B8519

    SKU: SKYB8519
    Product information
    • Weight4.435 lbs
    • Dimensions24.5 × 3.2 × 3 in
    • Product Line

      Black MAX

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Compressed Length

      10.02 in

    • Extended Length

      15.69 in

    Details...
    Original price was: $70.00.Current price is: $62.91.Add to cart
    Original price was: $70.00.Current price is: $62.91.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VP RACING Trigger Fluid Control Hose 33320

    SKU: VPF33320
    Product information
    • Weight0.57 lbs
    • Dimensions15.05 × 6.05 × 2.7 in
    • Product Line

      Trigger

    • Intended Use

      Utility Jug

    • Length

      15 in

    • Outside Diameter

      1.25 in

    • Inside Diameter

      1 in

    Details...
    Original price was: $32.35.Current price is: $26.96.Add to cart
    Original price was: $32.35.Current price is: $26.96.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Front FloorLiner 4414911

    SKU: WEA4414911
    Product information
    • Weight8.3 lbs
    • Dimensions38 × 30 × 5 in
    • Product Line

      FloorLiner

    • Application Specific

      Yes

    • First Row Included

      Yes

    • First Row 1 / 2 Piece

      1 Piece

    • Textured

      Yes

    Details...
    Original price was: $181.00.Current price is: $163.95.Add to cart
    Original price was: $181.00.Current price is: $163.95.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist

    75