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- USA
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Muffler 40" Series 2.5" Offset In/2.5" Center Out AggressiveOverview: The Original 40 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. Features: Flowmaster quality Straight through design Moderate exterior performance tone Durable fully welded 409S stainless steel case Specs: Body Height: 4 Body Length: 13 Body Material:
Overview:
The Original 40 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.
Features:
Specs:
Applications:
- 1979-1988 Dodge D100 360 CID
- 1979-1989 Dodge D100 318 CID
- 1988-1989 Dodge D100 239 CID
- 1979-1992 Dodge D150 318 CID
- 1979-1991 Dodge D150 360 CID
- 1988-1992 Dodge D150 239 CID
- 1981-1992 Dodge D250 318 CID
- 1981-1992 Dodge D250 360 CID
- 1988-1992 Dodge D250 239 CID
- 1979-1980 Dodge D300 360 CID
- 1979-1980 Dodge D300 318 CID
- 1981-1992 Dodge D350 360 CID
- 1981-1983 Dodge D350 318 CID
- 1986-1989 Dodge W100 318 CID
- 1986-1988 Dodge W100 360 CID
- 1989-1989 Dodge W100 239 CID
- 1979-1992 Dodge W150 318 CID
- 1979-1991 Dodge W150 360 CID
- 1989-1992 Dodge W150 239 CID
- 1981-1992 Dodge W250 318 CID
- 1981-1992 Dodge W250 360 CID
- 1981-1992 Dodge W350 360 CID
- 1982-1983 Dodge W350 318 CID
- 1990-1991 Dodge Dakota 318 CID
- 1990-1991 Dodge Dakota 239 CID
- 1979-1983 Jeep CJ5 258 CID
- 1979-1981 Jeep CJ5 304 CID
- 1979-1986 Jeep CJ7 258 CID
- 1979-1981 Jeep CJ7 304 CID
- 1965-1967 Plymouth Belvedere II 426 CID
- 1965-1967 Plymouth Belvedere II 273 CID
- 1965-1967 Plymouth Belvedere II 225 CID
- 1965-1967 Plymouth Belvedere II 318 CID
- 1965-1967 Plymouth Belvedere II 383 CID
- 1966-1966 Plymouth Belvedere II 361 CID
- 1967-1967 Plymouth Belvedere II 440 CID
- 1974-1982 Chevrolet Corvette 350 CID
- 1980-1980 Chevrolet Corvette 305 CID
- 1983-1993 Chevrolet S10 173 CID
- 1983-2002 Chevrolet S10 134 CID
- 1983-1985 Chevrolet S10 119 CID
- 1983-1984 Chevrolet S10 122 CID
- 1985-1993 Chevrolet S10 151 CID
- 1988-2002 Chevrolet S10 262 CID
- 1994-1996 Ford F-250 445 CID
- 1997-1998 Ford F-250 330 CID
- 1994-1997 Ford F-350 445 CID
- 2000-2006 Toyota Tundra 285 CID
- 2005-2006 Toyota Tundra 241 CID
Emissions:
- 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 4
Great fit but expensive
Size: Medium, Color: (252) Blush Beige / White / Castlerock
These are really great socks. I love them, but they are definitely pricey.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great socks!
Size: Medium, Color: (252) Blush Beige / White / Castlerock
Love these socks so much I got a second package. I like how thin and airy they are and they never slide down my heel. For thin socks they’re pretty durable.
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Reviewed in the United States on August 16, 2025
★★★★★ 5
Great
Size: Medium, Color: (001) Black / Black / Pitch Gray
The best pair of work / workout / casual socks I've bought in long time! They're no show on all my sneakers, incredibly comfortable and they never move.
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Reviewed in the United States on October 7, 2025
★★★★★ 5
LOVE THEM!!
Size: Small, Color: (001) Black / Black / Castlerock
LOVE! These socks are so comfortable! I wear a 5 in women's and a 3 in big kid shoes. The small fit me perfectly. I see where some say they run small but I can't say that was an issue for me. They are "snug" but thats what you want with a no show sock. I feel they have support vs the ones i used to buy at Walmart. They are very soft! I am actually buying more today and throwing my other ones in the trash!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
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Reviewed in the United States on May 6, 2026