SKU: 78858185208

Flowmaster Super 40 Series Delta Flow Muffler - 2.5" Offset Inlet / Offset Outlet

Sale price$152.55 Regular price$169.50
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Flowmaster Super 40 Series Delta Flow Muffler - 2.5" Offset Inlet / Offset Outlet3 4 Day Lead time Size: 10. 00" x 13. 50" x 5. 00" Case (19. 50" Overall Length) The Super 40 Muffler was developed from Flowmaster's top ten race muffler lineup for use on the street and strip. Utilizing Delta Flow Technology, this muffler gives the best performance to higher horsepower vehicles. The Super 40 features a black, 5. 00" x 10. 00" aluminized case, which keeps the resonance down while the deep outside tone says it's a Flowmaster!

3-4 Day Lead time

Size: 10.00" x 13.50" x 5.00" Case (19.50" Overall Length)

The Super 40 Muffler was developed from Flowmaster's top ten race muffler lineup for use on the street and strip. Utilizing Delta Flow Technology, this muffler gives the best performance to higher horsepower vehicles. The Super 40 features a black, 5.00" x 10.00" aluminized case, which keeps the resonance down while the deep outside tone says it's a Flowmaster!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 78858185208

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4.6 ★★★★★
Based on 23 reviews
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chris s
Lowell, US
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
R
Verified Purchase
Robert Werkhoven
Houston, US
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025
R
Verified Purchase
Ron McCrea
Dallas, US
★★★★★ 5
Just as good as OEM
Exactly what I expected...
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Reviewed in the United States on August 9, 2025
W
Verified Purchase
wes
Omaha, US
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
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Reviewed in the United States on August 29, 2024
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Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Handles the power
Size: 5FT, Style: 8AWG
Used for leads to handle high Amperage. Replaced cheesy 12 gauge leads that came with the unit
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Reviewed in the United States on January 28, 2026

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