Cat-Back Exhaust for 2017 Subaru WRX STI
21 parts that fit, every brand, real ship dates.
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21 parts that fit, every brand, real ship dates.
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MBRPMBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in Tips - T304 (Race Version)
Regular price $989.99 USDRegular price List$1,222.93 USDSale price $989.99 USDIn stockFree shippingPay over time with Shop PaySale -
MBRPMBRP 15-21 Subaru WRX 2.0L/STI 2.5L/11-14 Sed 3in Cat-Back Single Rear Exit w/Carb Fiber Tips- T304
Regular price $824.99 USDRegular price List$1,019.11 USDSale price $824.99 USDMade to orderFree shippingPay over time with Shop PaySale -
MBRP
MBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sedan 3in Cat-Back Single Rear Exit - T304
Regular price $759.99 USDRegular price List$938.81 USDSale price $759.99 USDMade to orderFree shippingPay over time with Shop PaySale -
MBRPMBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in Tips - T304 (Street Version)
Regular price $1,114.99 USDRegular price List$1,377.34 USDSale price $1,114.99 USDIn stockFree shippingPay over time with Shop PaySale -
MBRPMBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in CF Tips - T304 (Race Version)
Regular price $1,114.99 USDRegular price List$1,377.34 USDSale price $1,114.99 USDIn stockFree shippingPay over time with Shop PaySale -
MBRPMBRP 15-19 Subaru WRX 2.0L/STI 2.5L 3in Dual Split Rear Exit w/ 3.5in CF Tips - T304 Street Version
Regular price $1,214.99 USDRegular price List$1,500.87 USDSale price $1,214.99 USDIn stockFree shippingPay over time with Shop PaySale -
MBRPMBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sed. 3in Cat-Back Single Rear Exit w/ Burnt End Tips-T304
Regular price $779.99 USDRegular price List$963.52 USDSale price $779.99 USDIn stockFree shippingPay over time with Shop PaySale -
GReddy
GReddy 2015 Subaru STI/WRX Sedan Supreme SP Exhaust
Regular price $1,135.25 USDRegular price List$1,195.00 USDSale price $1,135.25 USDMade to orderFree shippingPay over time with Shop PaySale -
GReddy
GReddy 15+ Subaru WRX/STi Revolution RS Exhaust
Regular price $570.00 USDRegular price List$600.00 USDSale price $570.00 USDMade to orderFree shippingPay over time with Shop PaySale -
Invidia
Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust
Regular price $1,663.45 USDRegular price List$2,376.36 USDSale price $1,663.45 USDIn stockFree shippingPay over time with Shop PaySale -
InvidiaInvidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust
Regular price $1,562.90 USDRegular price List$2,232.72 USDSale price $1,562.90 USDIn stockFree shippingPay over time with Shop PaySale -
Mishimoto
Mishimoto 2015 Subaru WRX 3in Stainless Steel Cat-Back Exhaust
Regular price $1,326.95 USDRegular price List$1,460.00 USDSale price $1,326.95 USDShips from manufacturerFree shippingPay over time with Shop PaySale -
Magnaflow
MagnaFlow SYS Cat-Back 15-17 Subaru WRX Sti 2.5L Polished 3in Tips
Regular price $1,413.00 USDRegular price List -
Injen
Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips
Regular price $1,665.42 USDRegular price List -
CORSA Performance
Corsa 2015-2021 Subaru WRX Cat Back Exhaust Black Quad 3.5in Tips *Sport*
Regular price $1,928.99 USDRegular price List$2,357.30 USDSale price $1,928.99 USDIn stockFree shippingPay over time with Shop PaySale -
aFe
aFe Takeda 3in 304 SS Cat-Back Exhaust System 15-18 Subaru WRX/WRX STI H4-2.0/2.5L (t)
Regular price $2,135.00 USDRegular price List$2,668.75 USDSale price $2,135.00 USDShips from manufacturerFree shippingPay over time with Shop PaySale -
aFeaFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stnlss Cat-Back Exhaust w/ Polished Tip
Regular price $1,362.00 USDRegular price List$1,702.50 USDSale price $1,362.00 USDShips from manufacturerFree shippingPay over time with Shop PaySale -
aFeaFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stnlss Cat-Back Exhaust w/ Blue Flame Tip
Regular price $1,461.00 USDRegular price List$1,826.25 USDSale price $1,461.00 USDMade to orderFree shippingPay over time with Shop PaySale -
aFeaFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stainless Cat-Back Exhaust Crbn Fiber Tip
Regular price $1,461.00 USDRegular price List$1,826.25 USDSale price $1,461.00 USDShips from manufacturerFree shippingPay over time with Shop PaySale -
aFeaFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stainless Cat-Back Exhaust w/ Black Tip
Regular price $1,461.00 USDRegular price List$1,826.25 USDSale price $1,461.00 USDShips from manufacturerFree shippingPay over time with Shop PaySale -
BLOX Racing
BLOX Cat-Back Exhaust System T304 SS 2015+ Subaru WRX
Regular price $1,140.00 USDRegular price List
2017 Subaru WRX STI cat-back exhaust systems: questions and answers
What cat-back exhaust systems fit the 2017 Subaru WRX STI?
21 cat-back exhaust systems here are listed by their manufacturers for the 2017 Subaru WRX STI, from 9 brands including MBRP, aFe, GReddy, Invidia, priced from $570 to $2,135.
Which ones can ship to California?
All 21 can ship to a California address (no CARB restriction).
Which ones ship fastest?
8 are in stock and ship in 1-2 business days. Every other part shows its ship date on its page before you order.
How loud are they?
By the manufacturers' own sound ratings: 1 moderate. Use the Sound filter at the top of the page. Parts without a rating are ones whose manufacturer does not rate the series.