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Set Your 2021 Subaru WRX STI Catalog
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Exhaust Systems for 2021 Subaru WRX STI


Finding the optimal exhaust for your 2021 Subaru WRX STI is made easy here at PRO Import Tuners. The 2021 Subaru WRX STI exhausts we carry are among the most aesthetically pleasing in regards to looks and sound, as well as get you the best possible horsepower gains.

Showing 13 to 23 (of 23 total)
GReddy RS Race Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $552.99
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
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GReddy Supreme SP Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,076.99
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Quad Tips
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GrimmSpeed Performance Exhaust System for 2021 Subaru WRX STI
Pre-Order
Starting @ $1,349.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Dual Mufflers, Quad Polished Tips, Resonated
Dual Mufflers, Quad Polished Tips, Un-Resonated
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HKS Hi-Power Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,360.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Dual Mufflers, Burnt Titanium Tips
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HKS Legamax Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,309.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
View Full Product Page
Invidia Full Titanium Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,516.99
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Dual Blue Titanium Tips
Quad Polished Titanium Tips
Single Blue Titanium Tip
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Revel Medallion Touring S Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,098.95
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Ultra Ti Series, Single Muffler, Single Burnt Tip
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MagnaFlow Performance Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,264.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
3 Inch Piping, No Mufflers, Quad Tips
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AWE Performance Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $1,145.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Touring Edition, Quad Chrome Double Walled Slash Cut Tips
Touring Edition, Quad Diamond Black Double Walled Slash Cut Tips
Track Edition, Quad Chrome Double Walled Slash Cut Tips
Track Edition, Quad Diamond Black Double Walled Slash Cut Tips
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APEXi N1-X Evolution Extreme Exhaust System for 2021 Subaru WRX STI
Out of Stock
Starting @ $1,638.00
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Quad Burnt Titanium Tips
View Full Product Page
Perrin Stainless Steel Exhaust System for 2021 Subaru WRX STI
In Stock
Starting @ $533.95
Fits 2021 Subaru WRX STI Sedan
Base, Launch Ed., Limited, Series.HyperBlue, Series.Gray, Series.White
Rear Section Only, Dual Polished Tips
View Full Product Page
Showing 13 to 23 (of 23 total)
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