Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMAGNAFLOWPART NUMBER: 642-15781
MF Series Cat-Back Exhaust System 2003-09 Toyota 4Runner 4.0L V6, 4.7L V8
$1,04900
Ships on 09/22/2026
Lowest Price GuaranteeToyota 4Runner
- MF Series Cat-Back Exhaust System
- 2003-09 Toyota 4Runner 4.0L V6, 4.7L V8
- 3'' Stainless Steel Tubing
- 2.5''/2.7'' Polished Stainless Steel Tip
- Dual Behind Passenger Tire Rear Exit
- 5 x 11 x 22'' Muffler
Dyno-Proven Exhaust Performance
Magnaflow mandrel-bent stainless steel Exhaust Systems are engineered to directly bolt to your Toyota vehicle for years of trouble-free service. Each dyno-tested exhaust kit delivers proven horsepower and torque gains. Whether you select a Street Series (MF Series) with a balanced power & sound; a Pro Series with a very aggressive exterior sound level and aggressive interior sound; or an XMOD Series with its fully configurable on-the-fly exhaust system, you will appreciate the engineering that goes into each product.
Part TypeExhaust System
Product LineMagnaflow Toyota Exhaust Systems
BrandMAGNAFLOW
Package Height12.3
Package Width15.0
Package Length57.0
Weight52.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Tailpipe Diameter (In.)2.5
Tip CutStraight
Exit LocationPassenger side
Muffler StyleTurbo
Inlet QuantityOne
Tip Outlet Size3.000 x 3.500
Tip FinishPolished
Tip IncludedYes
QuantitySold as a kit
System FinishNatural
Muffler IncludedYes
Muffler QuantityOne
System StyleCat Back
Muffler ConfigurationSingle inlet/Single outlet
System MaterialStainless steel
Exit QuantityTwo
Tip MaterialStainless steel
Tip Edge StyleRolled edge
Tip Quantity2
Tip ShapeRectangular
Intermediate Pipe Diameter2.5 in (63.5 mm)
Part FitmentDirect Fit
Exhaust TypeDual
Vendor Part Number15781
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
