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MBRP 4" Inlet / Outlet Quiet Tone Muffler Resonator 24" body 30" Overall

My Garage Auto Parts
(20856)
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US $309.99
or Best Offer
as low as $27.83/mo with
Condition:
New
5 available8 sold

Additional service available

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Shipping:
Free delivery in 2-4 days - Arrives by Thanksgiving
Get it between Fri, Nov 14 and Mon, Nov 17 to 94104.
Located in: San Diego, California, United States
Returns:
60 days returns. Seller pays for return shipping.
Payments:
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eBay item number:185563662638
Last updated on Nov 05, 2025 08:25:15 PSTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Case Exterior Length (in.)
24.000 in.
Outlet Diameter (in)
4.000 in.
Outlet Quantity
One
Inlet Location
Center
Placement on Vehicle
Lower,Rear,Left,Right
Inlet Diameter (in)
4.000 in.
Muffler Finish
Natural
Outlet Style
Standard, without tip
Manufacturer Warranty
1 Year
Features
Easy Installation,100% Accuracy of Fit,Easy to Replace
Inlet Quantity
One
Notes
T409 stainless steel.
Performance Part
Yes
Overall Length (in)
30.000 in.
Reversible
No
Other Part Number
M1004S
Quantity
Sold individually.
Material
409 stainless steel
Superseded Part Number
M1004S
Vintage Part
No
Modified Item
No
California Prop 65 Warning
Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Case Shape
Round
Internal Construction
Chambered
Case Outside Diameter (in)
6.000 in.
Interchange Part Number
M1004S
Outlet Location
Center
OE/OEM Part Number
M1004S
Country/Region of Manufacture
United States
Universal Fitment
No
UPC
882663113026
Brand
MBRP Exhaust
Manufacturer Part Number
M1004S
Category

About this product

Product Identifiers

Brand
MBRP Exhaust
Manufacturer Part Number
M1004S
eBay Product ID (ePID)
227864039

Additional Product Features

Notes
Description--Exhaust Muffler
Sub Type
Exhaust Muffler
Part Type
Mufflers

Item description from the seller

About this seller

My Garage Auto Parts

99.8% positive feedback•101K items sold

Joined Apr 2013
Usually responds within 24 hours
My Garage Auto Parts is a leading eBay store that has been serving car enthusiasts since 2013. From the very beginning, we have been committed to offering an extensive range of performance auto parts ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Seller feedback (20,797)

All ratingsselected
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Ordered a pack of 12 bolts but only 11 in the pack. Seller responded quickly and another pack was sent with no extra fee. Good communication throughout.
  • *****- Feedback left by buyer.
    Past month
    Verified purchase
    Carefully packaged, item came as described .Great communication, will buy from again! Thanks, very fast service
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Excellent Seller: item exactly as described, great value, safe packaging and fast shipping
See all feedback

Product ratings and reviews

Learn more
4.4
7 product ratings
  • 5 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 6 reviews
  • by packratfxr
    Dec 13, 2021

    Stainless muffler

    I wanted a second muffler on my home generator. I wanted it stainless steel and quiet. This one is well built and really cuts down the sound. Very fast service and it was just as advertised.

    Verified purchase: YesCondition: NewSold by: jdautoandtruck

  • by justin3336
    Nov 15, 2019

    Straight pipe

    Went from straight pipe that was too loud and obnoxious to adding this muffler and it put the sound right where i like it. No droning at highway speeds. Quiet enough that i can hear my engine but still loud enough to hear the performance of the truck. can't compare to stock muffler though didn't have it when i swapped

    Verified purchase: YesCondition: NewSold by: 21-motorsports

  • by dpap2128_7wzb53e
    Aug 17, 2023

    Worked well

    It performed well at decreasing the drone from my truck while still sounding good.

    Verified purchase: YesCondition: NewSold by: jjboy925

  • by elecdealer
    Oct 23, 2025

    It’s not any quieter than the muffler th...

    It’s not any quieter than the muffler that came with the race profile kit, it just may slightly stifle the burbling sound when letting off the throttle.

    Verified purchase: YesCondition: NewSold by: wca_performance

  • by 8016jamesr
    Oct 13, 2025

    Great product and fastest shipper on EBa...

    Great product and fastest shipper on EBay .

    Verified purchase: YesCondition: NewSold by: wca_performance

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