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Flowmaster 815425S Outlaw Series Race Muffler - Picture 1 of 3
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Exhaust Muffler Flowmaster 815425S

5.09 product ratings
OurDealsRock (25303)
98.7% positive feedback
Price:
US $165.28
ApproximatelyAU $254.04
+ $39.29 postage
Estimated delivery Mon, 15 Sep - Wed, 24 Sep
Returns:
30-day returns. Buyer pays for return postage. If you use an eBay postage label, it will be deducted from your refund amount.
Condition:
Brand New
Durable Fully Welded 16ga Aluminized Steel. Round Case Allows Install In Limited Space Apps. Designed for Maximum Horsepower and Torque. Minimal Decibel Reduction. Race Application Where Muffler Rules are in Effect. No Internal Packing To Blow Out. Premium Flowmaster Quality. Polished. Embossed Flowmaster Logo. High Temperature Ceramic Coating. Compact Design.

About this product

Product Identifiers

BrandFlowmaster
Manufacturer Part Number815425S
eBay Product ID (ePID)230071738

Additional Product Features

NotesDescription--Exhaust Muffler
Sub TypeExhaust Muffler
Part TypeMufflers

All listings for this product

Buy It Now
New
Flowmaster 815425S Outlaw Race 2.50" Center In/2.50" Center Out 409S Short Muffl
item 1 Flowmaster 815425S Outlaw Race 2.50" Center In/2.50" Center Out 409S Short Muffl
AU $254.03
+AU $60.39 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 2 Flowmaster 815425S Outlaw Series Race Muffler
AU $254.03
+AU $60.39 postage
FLOWMASTER OUTLAW SERIES RACE MUFFLER FLM815425S (Holley)
item 3 FLOWMASTER OUTLAW SERIES RACE MUFFLER FLM815425S (Holley)
AU $254.03
+AU $60.39 postage
Flowmaster 815425S
item 4 Flowmaster 815425S
AU $254.03
+AU $62.47 postage
Flowmaster 815425S Outlaw Race Muffler Short 409S 2.5" Center Center Aggressive
item 5 Flowmaster 815425S Outlaw Race Muffler Short 409S 2.5" Center Center Aggressive
AU $254.03
+AU $62.47 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 6 Flowmaster 815425S Outlaw Series Race Muffler
AU $254.03
+AU $62.47 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 7 Flowmaster 815425S Outlaw Series Race Muffler
AU $254.03
+AU $62.47 postage
815425S Flowmaster Outlaw Series Race Muffler
item 8 815425S Flowmaster Outlaw Series Race Muffler
AU $254.03
+AU $62.47 postage
815425S Flowmaster Outlaw Series Race Muffler
item 9 815425S Flowmaster Outlaw Series Race Muffler
AU $254.03
+AU $62.47 postage
Flowmaster 815425S Outlaw Series Race Muffler - 2.5 Center In / 2.5 Center Out
item 10 Flowmaster 815425S Outlaw Series Race Muffler - 2.5 Center In / 2.5 Center Out
AU $261.05
+AU $62.69 postage
Flowmaster 815425S Outlaw Series Short Race Muffler Center/Center Stainless
item 11 Flowmaster 815425S Outlaw Series Short Race Muffler Center/Center Stainless
AU $267.04
+AU $62.90 postage
Flowmaster 815425S 2.50 Center In/Center Out Outlaw Series Race Muffler
item 12 Flowmaster 815425S 2.50 Center In/Center Out Outlaw Series Race Muffler
AU $282.27
+AU $61.24 postage
FLOWMASTER OUTLAW SERIES RACE MUFFLER FLM815425S (Holley)
item 13 FLOWMASTER OUTLAW SERIES RACE MUFFLER FLM815425S (Holley)
AU $282.27
+AU $61.24 postage
Flowmaster 815425S Outlaw Race Muffler 2.5" Center Inlet/Outlet Round 12in Long
Last one
item 14 Flowmaster 815425S Outlaw Race Muffler 2.5" Center Inlet/Outlet Round 12in Long
AU $282.27
+AU $61.24 postage
Flowmaster 815425S Outlaw Series Race Muffler, 2.50 In/Out
item 15 Flowmaster 815425S Outlaw Series Race Muffler, 2.50 In/Out
AU $254.03
+AU $89.51 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 16 Flowmaster 815425S Outlaw Series Race Muffler
AU $254.03
+AU $89.66 postage
Flowmaster Outlaw Race Muffler 815425S - 2.5in Center Inlet/Outlet
item 17 Flowmaster Outlaw Race Muffler 815425S - 2.5in Center Inlet/Outlet
AU $282.27
+AU $63.39 postage
Exhaust Muffler Flowmaster 815425S
item 18 Exhaust Muffler Flowmaster 815425S
AU $282.27
+AU $63.39 postage
Flowmaster Outlaw Series Race Muffler FLM815425S (Holley)
item 19 Flowmaster Outlaw Series Race Muffler FLM815425S (Holley)
AU $286.63
+AU $61.36 postage
Flowmaster 815425S Outlaw Series Race Muffler Shorty
item 20 Flowmaster 815425S Outlaw Series Race Muffler Shorty
AU $282.27
+AU $66.45 postage
item 21 Flowmaster 815425S Outlaw Series Race Muffler
AU $293.06
+AU $63.74 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 22 Flowmaster 815425S Outlaw Series Race Muffler
AU $295.80
+AU $61.63 postage
Flowmaster 815425S Outlaw Series Race Muffler 2.5 in. Inlet/Outlet, 7 in. Length
item 23 Flowmaster 815425S Outlaw Series Race Muffler 2.5 in. Inlet/Outlet, 7 in. Length
AU $297.52
+AU $66.89 postage
815425S Flowmaster Muffler
item 24 815425S Flowmaster Muffler
AU $306.87
+AU $61.97 postage
Exhaust Muffler Flowmaster 815425S
item 25 Exhaust Muffler Flowmaster 815425S
AU $307.56
+AU $64.21 postage
Flowmaster 815425 Outlaw Series Race Muffler, 2.50 In/Out
item 26 Flowmaster 815425 Outlaw Series Race Muffler, 2.50 In/Out
AU $289.03
+AU $90.64 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 27 Flowmaster 815425S Outlaw Series Race Muffler
AU $322.97
+AU $62.44 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 28 Flowmaster 815425S Outlaw Series Race Muffler
AU $330.05
+AU $62.64 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 29 Flowmaster 815425S Outlaw Series Race Muffler
AU $348.55
+AU $65.53 postage
Fits Outlaw Race Muffler
item 30 Fits Outlaw Race Muffler
AU $340.85
+AU $82.19 postage
Flowmaster Outlaw Series 409SS Race Muffler 2.50" Center In / Out 11 in. Length
item 31 Flowmaster Outlaw Series 409SS Race Muffler 2.50" Center In / Out 11 in. Length
AU $321.16
+AU $104.42 postage
Exhaust Muffler Flowmaster 815425S
item 32 Exhaust Muffler Flowmaster 815425S
AU $363.65
+AU $66.02 postage
Flowmaster 815425S Outlaw Series™ Race fler for MUF
item 33 Flowmaster 815425S Outlaw Series™ Race fler for MUF
AU $376.04
+AU $66.43 postage
Flowmaster 815425 Outlaw Series Race Muffler
item 34 Flowmaster 815425 Outlaw Series Race Muffler
AU $382.75
+AU $66.65 postage
Flowmaster Universal Outlaw Series 2.5" Stainless Steel Race Muffler 815425S
item 35 Flowmaster Universal Outlaw Series 2.5" Stainless Steel Race Muffler 815425S
AU $254.03
+AU $205.46 postage
Flowmaster 815425S Outlaw Race Muffler
item 36 Flowmaster 815425S Outlaw Race Muffler
AU $254.03
+AU $232.49 postage
Flowmaster Exhaust Muffler - Universal Race Muffler - Not a direct fit. Some ada
item 37 Flowmaster Exhaust Muffler - Universal Race Muffler - Not a direct fit. Some ada
AU $282.27
+AU $206.37 postage
Flowmaster Outlaw Muffler 409S 2.5" Center In 2.5" Center Aggressive Tone 815425
Last one
item 38 Flowmaster Outlaw Muffler 409S 2.5" Center In 2.5" Center Aggressive Tone 815425
AU $289.27
+AU $206.61 postage
Flowmaster 815425S Outlaw Series Race Muffler
item 39 Flowmaster 815425S Outlaw Series Race Muffler
AU $290.37
+AU $206.64 postage
Flowmaster 815425S Outlaw Race Muffler 2.5" Inlet/Outlet 12" Long Overall
Almost gone
item 40 Flowmaster 815425S Outlaw Race Muffler 2.5" Inlet/Outlet 12" Long Overall
AU $282.27
+AU $223.28 postage
Flowmaster SS TIP MUFFLER 815425S
item 41 Flowmaster SS TIP MUFFLER 815425S
AU $329.24
+AU $207.91 postage
Flowmaster Universal Outlaw Series Stainless Steel Race Mufflers Pair 815425S
Last one
item 42 Flowmaster Universal Outlaw Series Stainless Steel Race Mufflers Pair 815425S
AU $508.07
+AU $213.71 postage
Flowmaster 815425S Set of 2 2.5" Center In/Out Outlaw Series Race Mufflers
item 43 Flowmaster 815425S Set of 2 2.5" Center In/Out Outlaw Series Race Mufflers
AU $654.94
+AU $86.26 postage
listings for this product

Ratings and reviews

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5.0
9 product ratings
  • 9 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 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

  • by mialbe633
    02 Jan, 2022

    Loudest Flowmaster, depends on taste

    Def loudest exhaust they’ve made, extremely noticeable, especially with a turn down/pre-axle dump!

    Verified purchase: YesCondition: Pre-owned

  • by watchranda
    12 Mar, 2021

    Outlaw Muffler

    Amazing sound. Best muffler for sound and loudness. Highly recommended.

    Verified purchase: YesCondition: New

  • by codcas1
    12 Feb, 2023

    Awesome

    The true sound of muscle !

    Verified purchase: YesCondition: New

  • by n350zcrazy
    11 Jul, 2025

    Just as described have not installed yet...

    Just as described have not installed yet for the sound of it

    Verified purchase: YesCondition: New

  • by caballobayo2014
    10 Feb, 2021

    Shrty

    I am pleased with my Outlaw Shrty! It gives my car a deeper tone!

    Verified purchase: YesCondition: New

  • by justintdempsey96
    26 Mar, 2019

    muffler

    can in quick, like how quickly the resonce was too

    Verified purchase: YesCondition: New

  • by retrogod23
    04 Jun, 2024

    Perfect

    Perfect

    Verified purchase: YesCondition: New

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