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Availability:
4+ in stock

Flowmaster 425403 40 Series™ Muffler

SKU ds_BDXN_425403
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Original price $152.83 - Original price $152.83
Original price $152.83
$152.83
$152.83 - $152.83
Current price $152.83
Description
The original Flowmaster series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Resources
Installation Instructions
Resources
Installation Instructions

Specifications

Body Length 13.000 in.
Color Black
Description_ASC Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Description_ASM Universal Muffler-Not a direct fit. Some adaptation required
Description_DEF Exhaust Muffler
Description_DES 40 Series™ Muffler
Description_EXT 40 Series™ Muffler; 2.5 in. Dual Inlet/Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
Description_FAB Aggressive Sound Exterior Exhaust Tone
Description_FAB Durable Fully Welded 16 Gauge Aluminized Steel
Description_FAB Excellent Street/Strip And Off Road Application
Description_FAB Noticeable Interior Resonance
Description_INV 2.50 IN(D)/3 OUT(C) 40 SERIES
Description_KEY 425403;flowmaster;exhaust;muffler;40 series;universal;aggressive
Description_MKT The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_MKT The original Flowmaster series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_SHO Muffler
finish Painted
height 4.5
Inlet Connection Type Clamp-On
Inlet Inside Diameter 2.500 in.
Inlet Outside Diameter 2.500 in.
Inlet Position Dual
Inlet Quantity 2
length 9.7
LTL N
Material Aluminized Steel
Muffler Body Height 4.000 in.
Muffler Body Length 13.000 in.
Muffler Body Shape Oval
Muffler Body Width 9.750 in.
Muffler Inlet Diameter 2.500 in.
Muffler Outlet Diameter 3.000 in.
Muffler Overall Length 19.000 in.
Muffler Series Original 40 Series
Muffler Type Reflection
Outlet Connection Type Clamp-On
Outlet Position Center
Outlet Quantity 1
Outlet Type Single Center
Overall Length 19.000 in.
Shape Universal
Sound Level Aggressive
Tip Quantity 0
WARNING CA Proposition 65 No
weight 23.15
width 10.2
Fitment
Here's What OUR CUSTOMERS Have to Say:

Since 2018, We've Shipped Over 35,000 Automotive Parts to Canadian Customers.

4.6/5

+3,076 Verified Reviews

Easy to find and order. Customer service was responsive and helpful. It fit my vehicle and is protecting the back of it very well

Specific parts for my vehicle were easy to find Shipping was good and website is clear and easy to use

Very happy with the running boards, and the shipping was prompt.

Super easy, discount code worked well for my order

I will buy from here again.

Easy to use site, comprehensive descriptions. Relevant results

Quick shipping, good prices. Great selection of products.

Super easy, discount code worked well for my order

Easy buying process. Fast shipping. Lots of selection!

Great prices looking forward for possible tonneau cover from your site

Quick response and went the extra mile to answer my questions. Very professional and knowledgeable, having nothing but good things to say about the team at TPS

Fast and Quick,easy to understand The product was excellent and packaged extremely well, I would recommend them to all my friends.

The staff was very helpful and the price point is fair. Rafael was very accomodating and responsive to request to cancel order and reorder a different tuner.

Excellent service and price is good too Thanks.

Good service !

Purchasing process was extremely fast and simple, and the product came on time. 5/5 stars.

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Find quick solutions to the most common questions about shipping, returns, compatibility, and support.

How do I know if a part fits my truck?

Use our vehicle filter by entering your truck’s year, make, and model. If you're unsure, our support team is happy to help.

Do you ship across Canada?

Yes! We ship to all provinces and territories in Canada. Free shipping is available on qualifying orders.

How long will it take to receive my order?

Delivery times vary depending on your location and item availability. Most orders arrive within 2–7 business days.

What is your return policy?

We accept returns within 30 days of delivery, as long as the item is unused and in its original packaging.

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