Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Flowmaster 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)
Item R203430
Our Price
$101.95 each
Military, Medical & First Responders
$5.10 Available in AT Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Choose options to add to cart.
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Body Height 4.00 In
- Body Length 13.00 In
- Body Material Aluminized Steel
- Body Width 9.50 In
- Clamps Included No
- Emission Code 5
- Exhaust Tip Quantity 0
- Finish High-Temperature Paint
- Fitment Universal; Some Adaptation May Be Required
- Grade Type Performance
- Hanger Included No
- Heat Shield Attached No
- Inlet Connection Slip-Fit
- Inlet Diameter 2.50 In
- Inlet Inside Diameter 2.50 In
- Inlet Location Center
- Inlet Outside Diameter 2.63 In
- Inlet Quantity 1
- Inlet Type Clamp-On, Weld-On
- Muffler Series Original 40 Series
- Muffler Type Chambered
- Outlet Connection Slip-Fit
- Outlet Inside Diameter 2.50 In
- Outlet Location Offset
- Outlet Outside Diameter 2.63 In
- Outlet Quantity 1
- Outlet Type Single
- Overall Length 19.00 In
- Part Type Exhaust Muffler
- Product Type Street Mufflers
- Reversible No
- Shape Oval
- Sound Level Aggressive
- Sub Category Mufflers
- Tunable No
- Vehicle Type Classic Muscle Car, Late Model Muscle Car, Street Rod, Street/Strip, Truck/SUV
| Brand | Flowmaster |
| Muffler Inlet Size | 2.50 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |
Description
Original Flowmaster Performance. The Flowmaster 40 Series Center/Offset Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet provides a distinctive aggressive tone that delivers the classic Flowmaster sound enthusiasts seek. It optimizes exhaust flow for street and strip use, providing a powerful sound profile without compromising emissions compliance.
Durable Chambered Construction. Crafted from 16 gauge aluminized steel, this muffler is fully MIG welded for enhanced durability and extended life. It features a high-temperature paint finish that resists corrosion and maintains a sleek black appearance under demanding conditions.
Installation Flexibility. Installation is straightforward with slip-fit inlet and outlet connections designed for clamp-on or weld-on options. No specialized drilling is generally required, making it suitable for many exhaust setups.
Application. Designed as a universal fit muffler with some adaptation potentially required to accommodate specific vehicle configurations, it is ideal for classic muscle cars, late model muscle cars, street rods, street/strip vehicles, and trucks/SUVs.
Flowmaster 42542
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Muffler
5.0
Customer Reviews (2)
Questions & Answers
No questions about this product yet.
Ask the First Question
