Pontiac Firebird Mufflers - 1985

1985 Pontiac Firebird Mufflers & Resonators

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2.5L
2.8L
5.0L
  • AP Exhaust® - MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck
    AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck
    0
    # 80148158
    Pontiac Firebird 1985, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this...
    Designed for a quiet ride100% aluminized components for longer life
    $42.16 - $49.80
  • Walker® - SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler
    Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler
    0
    # 832935155
    Pontiac Firebird 1985, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX™...
    Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
    $47.55 - $54.03
  • Walker® - Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler
    Walker®Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler
    0
    # 35483462
    Pontiac Firebird 1985, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler Configuration:...
    Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
    $71.54
  • AERO Exhaust® - AR Series 304 Stainless Steel Round Performance Exhaust Resonator
    AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust Resonator
    1
    # mpn4658464748
    Pontiac Firebird 2.8L / 5.0L 1985, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 2.5". Resonator Outlet Diameter: 2.5". Resonator Body Length: 10". Resonator Overall...
    $59.99
  • Walker® - SoundFX™ Steel Oval Aluminized Exhaust Muffler
    Walker®SoundFX™ Steel Oval Aluminized Exhaust Muffler
    1
    # 18170465
    Pontiac Firebird 1985, SoundFX™ Steel Oval Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler Configuration:...
    Designed to deliver ultimate performance and pleasing sound quality100% aluminized material
    $57.12
  • AERO Exhaust® - TR Series 304 Stainless Steel Round Performance Exhaust Resonator
    AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust Resonator
    1
    # 4963679120
    Pontiac Firebird 2.8L / 5.0L 1985, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Sound: Moderate. Resonator Configuration: Center - Center. The TR Series Resonators are the most popular...
    $59.99 - $99.99
  • AP Exhaust® - Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck
    AP Exhaust®Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck
    0
    # mpn474114062
    Pontiac Firebird 2.5L 1985, Enforcer Series Aluminized Steel Oval Glass Pack Exhaust Muffler with Inlet and Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall...
    Aluminized materials for superior corrosion protectionIdeal for the economy buyer
    $25.65
  • AP Exhaust® - Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck
    AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck
    0
    # 80148155
    Pontiac Firebird 1985, Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market...
    Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components
    $64.85 - $80.12
  • AP Exhaust® - DGM Style Natural Exhaust Clamp
    AP Exhaust®DGM Style Natural Exhaust Clamp
    0
    # 559697611
    Pontiac Firebird 1985, DGM Style Natural Exhaust Clamp by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on...
    Made from first-rate materialsEnsures outstanding durability
    $1.56 - $1.80
  • AP Exhaust® - Exhaust Bracket
    AP Exhaust®Exhaust Bracket
    0
    # 80196342
    Pontiac Firebird 1985, Exhaust Bracket by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use...
    Made from first-rate materialsEnsures outstanding durability
    $6.78 - $19.05
  • AP Exhaust® - Xlerator Performance Oval Gray Exhaust Muffler
    AP Exhaust®Xlerator Performance Oval Gray Exhaust Muffler
    1
    # 81677338
    Pontiac Firebird 2.8L / 5.0L 1985, Xlerator Performance Oval Gray Exhaust Muffler by AP Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Sound: Moderate. Muffler Configuration: Offset - Dual. Today’s...
    $40.31 - $48.00
  • DynoMax® - Super Turbo™ Aluminized Steel Oval Gray Exhaust Muffler
    DynoMax®Super Turbo™ Aluminized Steel Oval Gray Exhaust Muffler
    1
    # 168440657
    Pontiac Firebird 1985, Super Turbo™ Aluminized Steel Oval Gray Exhaust Muffler by DynoMax®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler Sound: Mild /...
    $86.20
  • Pypes® - Race-Pro Series Round Exhaust Muffler
    Pypes®Race-Pro Series Round Exhaust Muffler
    1
    # 2667991390
    Universal Race-Pro Series Round Exhaust Muffler by Pypes®. Muffler Sound: Aggressive / Loud. Sometimes you just gotta have the best of everything. When it comes to flow, you just can't get anything better than Pypes Race Pro Muffler....
    $70.75 - $185.75
  • Pypes® - Race-Pro Series Round Exhaust Muffler
    Pypes®Race-Pro Series Round Exhaust Muffler
    1
    # 2611586319
    Universal Race-Pro Series Round Exhaust Muffler by Pypes®. Muffler Sound: Aggressive / Loud. Sometimes you just gotta have the best of everything. When it comes to flow, you just can't get anything better than Pypes Race Pro Muffler....
    $79.75 - $185.75
  • Walker® - SoundFX™ Stainless Steel Round Aluminized Exhaust Resonator (1.75" ID, 1.68" OD, 10" Length)
    Walker®SoundFX™ Stainless Steel Round Aluminized Exhaust Resonator (1.75" ID, 1.68" OD, 10" Length)
    0
    # mpn4498129329
    Universal SoundFX™ Stainless Steel Round Aluminized Exhaust Resonator by Walker®. Resonator Inlet Diameter: 1.75". Resonator Outlet Diameter: 1.68". Resonator Body Length: 10". Resonator Overall Length: 16". If you want exhaust piping...
    Designed to directly replace the factory partMade with precision benders and fixture checked
    $37.36
  • AP Exhaust® - Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck
    AP Exhaust®Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck
    4
    # 2494353787
    Universal Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not...
    Deep performance soundIncreased exhaust flow
    $25.34 - $62.13
  • Different Trend® - Flow II Series Stainless Steel Oval Gray Exhaust Muffler
    Different Trend®Flow II Series Stainless Steel Oval Gray Exhaust Muffler
    4
    # 865850565
    Universal Flow II Series Stainless Steel Oval Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer...
    $40.43 - $115.26
  • AP Exhaust® - Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler
    AP Exhaust®Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler
    1
    # 5498025255
    Universal Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler by AP Exhaust®. Muffler Structure: Straight-through. Muffler Configuration: Center - Center. Today’s exhaust performance market continues to cover a broad...
    Aluminized materials for superior corrosion protectionIdeal for the economy buyer
    $13.46 - $38.58
  • AP Exhaust® - Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)
    AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)
    0
    # mpn4498129559
    Universal Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24.5". Muffler Overall Length: 29". Muffler...
    Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components
    $134.18
  • Black Widow® - Race Venom Angry Housewife™ Stainless Steel Oval Gray Exhaust Muffler
    Black Widow®Race Venom Angry Housewife™ Stainless Steel Oval Gray Exhaust Muffler
    0
    # 3353287517
    Universal Race Venom Angry Housewife™ Stainless Steel Oval Gray Exhaust Muffler by Black Widow®. Muffler Sound: Aggressive / Loud. Black Widow Race Venom series mufflers have the same patent pending internal hourglass design as the...
    $99.00 - $114.00
  • Pypes® - Race-Pro Series 304 SS Round Silver Exhaust Muffler (2.5" Center ID, 2.5" Center OD, 14" Length)
    Pypes®Race-Pro Series 304 SS Round Silver Exhaust Muffler (2.5" Center ID, 2.5" Center OD, 14" Length)
    1
    # mpn4498130087
    Universal Race-Pro Series 304 SS Round Silver Exhaust Muffler by Pypes®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center....
    $70.75
  • Kooks® - Stainless Steel Round Stafford Spec Silver Exhaust Muffler (3.5" ID, 3.5" OD, 10" Length)
    Kooks®Stainless Steel Round Stafford Spec Silver Exhaust Muffler (3.5" ID, 3.5" OD, 10" Length)
    1
    # mpn4498131507
    Universal Stainless Steel Round Stafford Spec Silver Exhaust Muffler by Kooks®. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 10". Muffler Overall Length: 15.5". Muffler Sound: Aggressive / Loud. This...
    $64.02
  • Walker® - SoundFX™ Steel Exhaust Muffler
    Walker®SoundFX™ Steel Exhaust Muffler
    0
    # 2494395328
    Universal SoundFX™ Steel Exhaust Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit options...
    Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
    $32.90 - $61.84
  • Borla® - Pro XS™ Stainless Steel Oval Gray Exhaust Muffler
    Borla®Pro XS™ Stainless Steel Oval Gray Exhaust Muffler
    14
    # 5435404788
    Universal Pro XS™ Stainless Steel Oval Gray Exhaust Muffler by Borla®. Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. These mufflers include many of the features found on Borla’s performance mufflers, at a more...
    $111.99 - $255.99Save: 5%
    $106.39 - $243.19
  • Skunk2® - MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler (3" Center ID, 5.25" Center OD, 22" Length)
    Skunk2®MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler (3" Center ID, 5.25" Center OD, 22" Length)
    0
    # mpn4498130511
    Universal MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler by Skunk2®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 5.25". Muffler Body Length: 22". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler...
    $192.46
  • Skunk2® - MegaPower™ Stainless Steel Silver Exhaust Muffler (2.25" Center ID, 4" Center OD, 19" Length)
    Skunk2®MegaPower™ Stainless Steel Silver Exhaust Muffler (2.25" Center ID, 4" Center OD, 19" Length)
    0
    # mpn4498131456
    Universal MegaPower™ Stainless Steel Silver Exhaust Muffler by Skunk2®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 4". Muffler Body Length: 19". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler...
    $192.46
  • Walker® - Steel Oval Installer Turbo Aluminized Exhaust Muffler
    Walker®Steel Oval Installer Turbo Aluminized Exhaust Muffler
    3
    # 2494286793
    Universal Steel Oval Installer Turbo Aluminized Exhaust Muffler by Walker®. These mufflers combine Walker® quality and engineering with solution-driven technology to absorb unwanted engine and engine brake noise without sacrificing...
    Specifically Engineered for Class 7 and 8 vehiclesA bolt-on Solution for Excessive Engine Brake Noise
    $31.89 - $39.55
  • Borla® - S-Type™ Stainless Steel Round Gray Exhaust Muffler
    Borla®S-Type™ Stainless Steel Round Gray Exhaust Muffler
    13
    # 5435311705
    Universal S-Type™ Stainless Steel Round Gray Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 10". Muffler Overall Length: 15". Muffler Sound: Mild / Stock. Muffler...
    $191.99 - $197.99Save: 5%
    $182.39 - $188.09
  • MBRP® - XP Series™ 409 SS Round Exhaust Muffler
    MBRP®XP Series™ 409 SS Round Exhaust Muffler
    1
    # 865829565
    Universal XP Series™ 409 SS Round Exhaust Muffler by MBRP®. Muffler Sound: Mild / Stock. Muffler Configuration: Center - Center. Short on space under your car for a muffler? A round muffler might just be the ticket to tuck in around a...
    $189.99 - $309.99
  • Gibson® - SFT Superflow™ Stainless Steel Round Gray Exhaust Muffler
    Gibson®SFT Superflow™ Stainless Steel Round Gray Exhaust Muffler
    1
    # 865772588
    Universal SFT Superflow™ Stainless Steel Round Gray Exhaust Muffler by Gibson®. Muffler Sound: Aggressive / Loud. Get increased exhaust flow for more power and great sound with a Gibson SFT Superflow Muffler. The SFT Superflow has one...
    $210.21 - $376.66Save: up to 15%
    $178.68 - $320.16




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1985 Pontiac Firebird Mufflers Reviews

1 review
5 of 5
Excellent Bang (or Lack thereof) for You
Walker® 17836 - SoundFX™ Steel Oval Aluminized Exhaust Muffler
I purchased this fella for my 85 Firebird. I'm doing a rebuild on a tight budget for kicks, and am thoroughly impressed. I might as well be driving a Prius lmoa. A fantastic steal if you need a stock muffler, no need to sound like a Honda Civic with its camber adjusted and vape clouds billowing out your window. ;)
Posted by C (Happy Valley, OR) / December 20, 20191985 Pontiac Firebird
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