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

    MSD IGNITION Wire Harness – Digital 7 Programmable Ing. Box 8855

    SKU: MSD8855
    Product information
    • Weight1.55 lbs
    • Dimensions10.6 × 6 × 2.8 in
    • Quantity

      Each

    • Harness End 1

      Stock Harness

    • Harness End 2

      Digital-7 Plus Harness

    • Harness Purpose

      Replacement Harness

    • UPC Code

      85132088553

    Details...
    Original price was: $127.00.Current price is: $114.95.Add to cart
    Original price was: $127.00.Current price is: $114.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    KIRKEY Head Support Right 100

    SKU: KIR00100
    Product information
    • Weight0.79 lbs
    • Dimensions11.7 × 8 × 5.15 in
    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $36.30.Current price is: $33.00.Add to cart
    Original price was: $36.30.Current price is: $33.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Stone & Bug Deflector 50283

    SKU: WEA50283
    Product information
    • Weight5.33 lbs
    • Dimensions72 × 20 × 5 in
    • Product Line

      Stone and Bug Deflector

    • Application Specific

      Yes

    • Material

      Plastic

    • Color

      Dark Smoke

    • Quantity

      Each

    Details...
    Original price was: $125.94.Current price is: $104.95.Add to cart
    Original price was: $125.94.Current price is: $104.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Trailing Arm Bushing W61383A

    SKU: WHIW61383A
    Product information
    • Weight0.57 lbs
    • Dimensions8 × 5.35 × 2.2 in
    • Outside Diameter

      1.583 in

    • Quantity

      Kit

    • Upper / Lower Position

      Lower

    • Front / Rear Position

      Rear

    • Inner Sleeve Included

      Yes

    Details...
    Original price was: $94.66.Current price is: $78.88.Add to cart
    Original price was: $94.66.Current price is: $78.88.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    GRANT Quick Release Hub 3002

    SKU: GRT3002
    Product information
    • Weight0.7 lbs
    • Dimensions5.2 × 4.7 × 2 in
    • Quantity

      Kit

    • Variant

      Yes

    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    Details...
    Original price was: $137.89.Current price is: $125.35.Add to cart
    Original price was: $137.89.Current price is: $125.35.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Solid Axle 36in 5067-36

    SKU: WIN5067-36
    Product information
    • Weight12.41 lbs
    • Dimensions41 × 2.75 × 2.75 in
    • Axle Length

      36 in

    • Inside Spline

      31.0

    • Outside Spline

      24.0

    • Axle Style

      Floating

    • Material

      Steel

    Details...
    Original price was: $158.98.Current price is: $144.53.Add to cart
    Original price was: $158.98.Current price is: $144.53.Add to wishlist
  • Add to wishlist
    Sale
    AUTOMETER Add-On Shift-Lite - Black 5334
    Add to wishlist

    AUTOMETER Add-On Shift-Lite – Black 5334

    SKU: ATM5334
    Product information
    • Weight0.32 lbs
    • Dimensions11.55 × 5.75 × 1.95 in
    • Quantity

      Each

    • Variant

      Yes

    • Product Line

      Shift-Lite

    • Length

      5 in

    • Height

      3 in

    Details...
    Original price was: $67.94.Current price is: $61.76.Add to cart
    Original price was: $67.94.Current price is: $61.76.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    AUTOMETER 1/2 Bpt Temp. Adapt. 2372
    Add to wishlist

    AUTOMETER 1/2 Bpt Temp. Adapt. 2372

    SKU: ATM2372
    Product information
    • Weight0.13 lbs
    • Dimensions3.75 × 3.55 × 1 in
    • Quantity

      Each

    • Fitting Thread Size End 1

      1/2 in NPT

    • Thread Type End 1

      Male

    • Fitting Thread Size End 2

      5/8-18 in

    • Thread Type End 2

      Female

    Details...
    Original price was: $16.94.Current price is: $15.40.Add to cart
    Original price was: $16.94.Current price is: $15.40.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    RIDETECH Replacement Air Spring 90006781
    Add to wishlist

    RIDETECH Replacement Air Spring 90006781

    SKU: ART90006781
    Product information
    • Weight4.325 lbs
    • Dimensions12.4 × 8.7 × 7 in
    • Intended Purpose

      Air Spring

    • Material

      Rubber

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $166.75.Current price is: $145.00.Add to cart
    Original price was: $166.75.Current price is: $145.00.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    ARP BBC Head Stud Kit 135-4002
    Add to wishlist

    ARP BBC Head Stud Kit 135-4002

    SKU: ARP135-4002
    Product information
    • Weight8.1 lbs
    • Dimensions8.6 × 4.1 × 2.2 in
    • Bolt/Stud Kit

      Stud

    • Head/Nut Style

      Hex

    • Washers Included

      Yes

    • Head Size

      5/8 in

    • Alloy

      8740

    Details...
    Original price was: $284.78.Current price is: $258.89.Add to cart
    Original price was: $284.78.Current price is: $258.89.Add to wishlist

    99