1991 Toyota 4Runner Exhaust Systems
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Borla®Stainless Steel Round Gray Exhaust MufflerUniversal Stainless Steel Round Gray Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.75". Muffler Outlet Diameter: 2.75". Muffler Body Length: 24". Muffler Overall Length: 29". Muffler Sound: Aggressive / Loud. Muffler...$233.99 - $251.99 - aFe®Mach Force XP™ 304 SS Exhaust MufflerUniversal Mach Force XP™ 304 SS Exhaust Muffler by aFe®. Muffler Sound: Aggressive / Loud. You'll get increased performance and improved throttle response when you install the aFe Universal Fit 409 Stainless Steel Performance Muffler....$149.00 - $166.00
- aFe®Saturn 4S™ 409 SS Round Silver Exhaust Muffler (4" Center ID, 4" Center OD, 24" Length)Universal Saturn 4S™ 409 SS Round Silver Exhaust Muffler by aFe®. Muffler Inlet Diameter: 4". Muffler Outlet Diameter: 4". Muffler Body Length: 24". Muffler Overall Length: 30". Muffler Sound: Aggressive / Loud. Muffler Configuration:...$183.00
- aFe®Scorpion™ Aluminized Steel Oval Exhaust MufflerUniversal Scorpion™ Aluminized Steel Oval Exhaust Muffler by aFe®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Sound: Moderate. You'll get increased performance and improved throttle response when you install...$72.00 - $109.00
- MBRP®Installer Series™ Aluminized Steel Round Gray Exhaust Muffler (5" Center ID, 5" Center OD, 31" Length)Universal Installer Series™ Aluminized Steel Round Gray Exhaust Muffler by MBRP®. Muffler Inlet Diameter: 5". Muffler Outlet Diameter: 5". Muffler Body Length: 31". Muffler Sound: Moderate. Muffler Configuration: Center - Center. Get...$239.99
- MBRP®Installer Series™ Round Gray Exhaust MufflerUniversal Installer Series™ Round Gray Exhaust Muffler by MBRP®. Muffler Configuration: Center - Center. Get the best sounding muffler on the street today. Each muffler boasts a fully welded construction and is designed to take all of...$189.99 - $299.99
- MBRP®Pro Series™ Round Exhaust MufflerUniversal Pro Series™ Round Exhaust Muffler by MBRP®. Muffler Inlet Diameter: 4". Muffler Outlet Diameter: 4". Muffler Body Length: 24". Muffler Overall Length: 30". Muffler Sound: Moderate. Muffler Configuration: Center - Center....$214.99 - $314.99
- Flowmaster®10 Series Delta Force™ Oval Single Chamber Black Exhaust MufflerUniversal 10 Series Delta Force™ Oval Single Chamber Black Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The 10 Series Race mufflers are a compact lightweight single chamber design...$127.39 - $215.95
- Flowmaster®30 Series Delta Force™ Aluminized Steel Oval 3-Chamber Race Black Exhaust MufflerUniversal 30 Series Delta Force™ Aluminized Steel Oval 3-Chamber Race Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Overall Length: 22". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Delta Force...$210.22 - $239.95
- Flowmaster®40 Series 409 SS Oval Black Exhaust Muffler (2.25" Offset ID, 2.25" Offset OD, 13" Length)Universal 40 Series 409 SS Oval Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler...$149.95
- Flowmaster®40 Series Delta Force™ 409 SS Oval 2-Chamber Race Black Exhaust MufflerUniversal 40 Series Delta Force™ 409 SS Oval 2-Chamber Race Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Delta Force 40 series race mufflers utilize...$159.95 - $225.95
- Flowmaster®40 Series Oval Black Exhaust MufflerUniversal 40 Series Oval Black Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that...$99.95 - $199.95
- Flowmaster®50 Series Big Block™ Aluminized Steel Oval Black Exhaust Muffler (3.5" Offset ID, 3.5" Offset OD, 22" Length)Universal 50 Series Big Block™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 22". Muffler Overall Length: 28". Muffler...$256.95
- Flowmaster®50 Series Delta Flow™ Oval Black Exhaust MufflerUniversal 50 Series Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 17". Muffler Overall Length: 23". Muffler Sound: Moderate. Muffler Structure: Chambered. The three chamber design...$153.95 - $174.95
- Flowmaster®50 Series Delta Force™ 409 SS Oval Black Exhaust Muffler (2.5" Center ID, 2.5" Center OD, 11.5" Length)Universal 50 Series Delta Force™ 409 SS Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 11.5". Muffler Overall Length: 16". Muffler Sound:...$179.95
- Flowmaster®60 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler (2.25" Center ID, 2.25" Center OD, 13.5" Length)Universal 60 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 13.5". Muffler Overall Length: 19"....$179.95
- Flowmaster®80 Series Cross-Flow™ Aluminized Steel Oval Black Exhaust Muffler (2.5" Offset ID, 2.5" Offset OD, 17" Length)Universal 80 Series Cross-Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 17". Muffler Overall Length: 20". Muffler...$204.95
- Flowmaster®80 Series Stainless Steel Oval Black Exhaust Muffler (2.5" Offset ID, 2.5" Same Side Offset OD, 13" Length)Universal 80 Series Stainless Steel Oval Black Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13". Muffler Overall Length: 20.5". Muffler Sound: Aggressive / Loud....$174.95
- Flowmaster®FlowFX 409 SS Round Direct-Fit Gray Exhaust Muffler Kit with Active Valve (3" Offset ID, 3" Center OD)Universal FlowFX 409 SS Round Direct-Fit Gray Exhaust Muffler Kit with Active Valve by Flowmaster®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Sound: Aggressive / Loud. Muffler Configuration: Offset - Center....$922.95
- Flowmaster®Oval Black Exhaust ResonatorUniversal Oval Black Exhaust Resonator by Flowmaster®. Resonator Sound: Mild / Stock. The resonators are designed for use in conjunction with Flowmaster Mufflers for improved sound reduction and minimize interior resonance.$116.95 - $179.95
- Flowmaster®Super 40 Series Delta Flow™ Oval Black Exhaust MufflerUniversal Super 40 Series Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13.5". Muffler Overall Length: 19.5". Muffler Sound:...$133.95 - $163.95
- Flowmaster®Super 50 Series Delta Flow™ Oval (SUV) Black Exhaust MufflerUniversal Super 50 Series Delta Flow™ Oval (SUV) Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 17". Muffler Overall Length: 23". Muffler Sound: Mild / Stock. Muffler Structure: Chambered. The Super 50...$184.95 - $204.95
- Flowmaster®Super HP-2™ Oval Performance Exhaust MufflerUniversal Super HP-2™ Oval Performance Exhaust Muffler by Flowmaster®. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. Flowmaster has taken the laminar core of the classic HP-2 muffler and wrapped it in a new...$159.95 - $245.95
- Jones Exhaust®Stainless Steel Oval Turbo Gray Exhaust MufflerUniversal Stainless Steel Oval Turbo Gray Exhaust Muffler by Jones Exhaust®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Mild / Stock. Muffler Configuration: Offset - Center. This product is made of...$22.40 - $27.07
- Jones Exhaust®Super Duty Stainless Steel Round Full Boar Gray Exhaust MufflerUniversal Super Duty Stainless Steel Round Full Boar Gray Exhaust Muffler by Jones Exhaust®. Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to serve you for years to come. Designed using...$53.71 - $112.94
- Jones Exhaust®Truck Series Full Flow Stainless Steel Full Boar Performance Gray Exhaust MufflerUniversal Truck Series Full Flow Stainless Steel Full Boar Performance Gray Exhaust Muffler by Jones Exhaust®. Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to serve you for years to come. Designed...$42.80 - $147.23
- Jones Exhaust®V-Power Series Stainless Steel Oval Full Boar Gray Exhaust MufflerUniversal V-Power Series Stainless Steel Oval Full Boar Gray Exhaust Muffler by Jones Exhaust®. Muffler Body Length: 13". Muffler Overall Length: 18.5". Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to...$60.67 - $107.41
- Different Trend®Exhaust MufflerUniversal 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 service. This product is made of...$27.17 - $60.68
- Different Trend®Flow II Series Stainless Steel Round Gray Exhaust MufflerUniversal Flow II Series Stainless Steel Round Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Muffler Configuration: Center - Center. Different Trend provides variety of product selections, premium quality products,...$37.28 - $75.30
- Different Trend®Hi-Polished Series Oval Exhaust MufflerUniversal Hi-Polished Series Oval 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 service. This...$56.93 - $155.20
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1991 Toyota 4Runner Exhaust Reviews
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Best Headers There is!
Doug Thorley Headers® THY-505-C - Steel Long Tube 3-1 Exhaust Header Kit with Y-PipesPosted by Michael / May 20, 20231993 Toyota 4Runner
1991 Toyota 4Runner Models
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