Exhaust & Emission Systems for 2018 Subaru WRX
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4,998 Results
Catalytic Converter For 2015-2021 SUBARU WRX 2.0L 44612AA771 44612-AA771 (Fits: 2018 Subaru WRX)
Brand New$255.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $809.00or Best OfferFree shipping44612-AA771 Catalytic Converter For 2015-2021 SUBARU WRX 2.0L 44612AA771 (Fits: 2018 Subaru WRX)
Brand New$199.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $599.00or Best OfferFree shippingCatalytic Converter For 2015-2021 SUBARU WRX 2.0L 44612AA771 44612-AA771 (Fits: 2018 Subaru WRX)
Brand New$199.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $299.00or Best OfferFree shipping2015-2018 Subaru WRX Oil Control Valve Timing Camshaft Solenoid Cam Gear 15-18 (Fits: 2018 Subaru WRX)
Pre-Owned: Subaru$55.79Was: $59.99Free shippingFor 15-21 Subaru WRX 6MT High-Flow Cat Resonated J-Pipe Intake Tube Exhaust (Fits: 2018 Subaru WRX)
Brand New$299.98Free shippingFor 15-21 Subaru WRX / STi 3" T304 Stainless Steel Resonated Mid Pipe Kit (Fits: More than one vehicle)
Brand New$289.98Free shippingOnly 3 left3" MUFFLER QUAD TIP CATBACK RACING EXHAUST SYSTEM FOR 2015-2020 SUBARU WRX/STI (Fits: More than one vehicle)
Stainless Steel Performance Spec Subaru Impreza WRX/STIBrand New: Charismatic Racing Concepts$335.95Top Rated Plus- Sellers with highest buyer ratings
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Free shippingMBRP Armor Pro 2.5" Axle-Back Exhaust Kit for 2015-2021 Subaru WRX & STI (Fits: More than one vehicle)
Brand New: MBRP Exhaust$354.99Free shippingOnly 1 left!Burn Style Stainless Axle Back Muffler Exhaust for Subaru WRX & STi 15-21 (Fits: More than one vehicle)
Brand New$249.99Free shipping168 soldPolished Stainless Axle Back Muffler Exhaust for Subaru WRX & STi 15-21 (Fits: More than one vehicle)
Brand New$214.99Free shipping104 sold3" Stainless Quad Tip CatBack Exhaust Muffler System 15-21 Subaru WRX STI 2.5L (Fits: 2018 Subaru WRX STI)
Brand New: Custom$389.95Free shippingOnly 1 left!Catalytic Converter For 2015-2021 SUBARU WRX 2.0L Turbo J-PIPE 44612AA771 (Fits: 2018 Subaru WRX)
Brand New$248.99Top Rated Plus- Sellers with highest buyer ratings
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Was: $509.00or Best OfferFree shipping3" Stainless CatBack Exhaust Muffler System 4" Quad Tips 15-21 Subaru WRX STI VA (Fits: 2018 Subaru WRX STI)
Brand New: Custom$389.95Free shippingOnly 1 left!Invidia Exhaust Section for 2015-2021 Subaru WRX (Fits: 2018 Subaru WRX)
Pre-Owned: Subaru$299.95$40.00 shipping15-21 Subaru WRX ETS Engine Header Exhaust Manifold (Fits: 2018 Subaru WRX)
Pre-Owned: System-S$700.00or Best OfferFree shippingNew Listing2018 Subaru WRX STI Evaporator Canistor With Mount Bracket (41K Miles)
Pre-Owned: Subaru$75.00Was: $93.75or Best Offer$14.99 shippingGENUINE OEM SUBARU WRX LEGACY STI 90 - 18 EXHAUST MANIFOLD GASKETS 14038AA000 x2 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$14.93Trending at $15.21eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best OfferFree shippingGrimmspeed Turbo to Pipe 7-Layer Steel Gasket for 2015-2021 Subaru WRX FA20 (Fits: 2018 Subaru WRX)
Brand New: Grimmspeed$29.00$4.00 shipping104 soldSubaru WRX STI OEM Stock Downpipe 2015-2020 Exhaust Catalytic Converter (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$350.000 bids$51.44 shippingEnding May 27 at 2:35PM PDT5d 17hFits 15-21 Subaru WRX STi 4dr Sedan OE-Style Exhaust Heat Shield Covers (Carbon) (Fits: More than one vehicle)
Brand New$159.99Free shipping20 soldNew GENUINE Subaru Exhaust Manifold Gasket Kit Up Down Pipe Turbo WRX STI XT GT (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$34.98Free shippingTorque Solution Stock DP To Aftermarket 3" Catback Adapter Fits Subaru (Fits: 2018 Subaru WRX STI)
Brand New$44.99Trending at $49.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best OfferFree shippingFits Subaru Exhaust Manifold Stud & Nut Kit WRX STI Legacy Impreza Forester + (Fits: More than one vehicle)
Brand New$12.69Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping114 soldFits 2015-2021 Subaru WRX STI 4" Quad Tip Catback Exhaust System Stainless Steel (Fits: More than one vehicle)
✅Best Quality✅Money Back Guarantee✅Same Day ShippingBrand New: Spec-D Tuning$474.38Top Rated Plus- Sellers with highest buyer ratings
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Was: $799.99Free shipping52 watchingStainless 3" CatBack Exhaust Muffler System For 11-21 Subaru Impreza WRX STI VA (Fits: More than one vehicle)
Brand New: Custom$399.95or Best OfferFree shippingOnly 1 left!For 2015-2021 SUBARU WRX Catalytic Converter 2.0L Engine 44612AA771 44612-AA771 (Fits: 2018 Subaru WRX)
Brand New$199.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $364.00or Best OfferFree shippingCatalytic Converter For 2015-2021 SUBARU WRX 2.0L 44612AA771 44612-AA771 (Fits: 2018 Subaru WRX)
Brand New: Unbranded$198.00Was: $420.00or Best OfferFree shippingCatalytic Converter Pipe For 2015-2021 Subaru WRX 2.0L 44612-AA771 44612-AA770 (Fits: 2018 Subaru WRX)
Brand New$255.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $449.00or Best OfferFree shippingCatalytic Converter For 2015-2021 Subaru Wrx 2.0l 2014-2018 Forester Xt US Stock (Fits: 2018 Subaru WRX)
Brand New$255.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $389.00or Best OfferFree shipping2015-2019 Subaru WRX STI Fuel Pressure Regulator 15-19 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$25.94Was: $27.89or Best OfferFree shippingOEM 2011-2018 Subaru PCV Hose Connector Forester Impreza Legacy WRX 11821AA660
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$36.24Top Rated Plus- Sellers with highest buyer ratings
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259 soldAPEXi N1 EVO-X CatBack Exhaust for 2015~2021 Subaru WRX & WRX STi (USED) (Fits: More than one vehicle)
Pre-Owned: A'PEXi$900.00Free shippingFor 15-21 Subaru WRX / STi Muffler Delete Axle Back 4 Inch Quad Tips Exhaust (Fits: More than one vehicle)
Brand New$249.98Free shippingOnly 3 leftLeft & Right Secondary Air Injection Check Valve For 2015-2019 Subaru WRX STI H4 (Fits: 2018 Subaru WRX STI)
Brand New$124.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingFor 2015-2021 SUBARU WRX 2.0L Catalytic Converter 44612AA771 44612-AA771 (Fits: 2018 Subaru WRX)
Brand New$205.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $255.00or Best OfferFree shippingGReddy JDM-spec TRUST PE-TR Exhaust for 2015-2021 Subaru WRX / STI (Fits: More than one vehicle)
Brand New: Greddy$1,026.38Free shippingPerrin Turbo Heat Shield FOR Subaru WRX / STi Forester XT Legacy GT (Fits: 2018 Subaru WRX STI)
Brand New: PERRIN$80.75Was: $95.00Free shipping83 watchingFor 15-20 Subaru Impreza WRX/STI Dual Muffler Quad 3" Tip Racing Catback Exhaust (Fits: More than one vehicle)
Brand New: PM$308.89Top Rated Plus- Sellers with highest buyer ratings
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Free shipping2015-2019 Subaru WRX EGR Suction Control Valve 14710AA780 15-19 (Fits: 2018 Subaru WRX)
Pre-Owned: Subaru$92.07Was: $99.00Free shippingOnly 1 left!Fits Impreza WRX 2.0L Front & Rear Catalytic Converters 2017-2019 (Fits: 2018 Subaru WRX)
INCLUDES ALL GASKETS & REAR HARDWAREBrand New$621.99Free shipping3" Mid pipe Kit For 15-21 Subaru WRX / STi T304 Stainless Steel Resonated New (Fits: More than one vehicle)
Brand New: Aftermarket Products$289.98Free shippingGrimmspeed J-Pipe Hardware Kit for 2015-2021 Subaru WRX - 007008 (Fits: 2018 Subaru WRX)
Brand New$58.00Top Rated Plus- Sellers with highest buyer ratings
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288 soldMBRP Armor Pro Catback Exhaust System for 2015-2021 Subaru WRX & STI (Fits: More than one vehicle)
Brand New: MBRP Exhaust$969.99Free shippingLeft Secondary Air Injection Check Valve For 2015-2019 Subaru WRX STI 911-169 (Fits: 2018 Subaru WRX STI)
Brand New$64.39Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingFor 15-21 Subaru WRX STi Muffler Delete Axle Back 4 Inch Quad Burnt Tips Exhaust (Fits: More than one vehicle)
Brand New$289.99Free shippingOnly 3 leftWalker Products 350-35137 Oxygen Sensor For 14-20 Subaru Forester WRX (Fits: 2018 Subaru WRX)
Brand New: Walker Products$89.99$5.90 shipping2018 2019 2020 2021 SUBARU IMPREZA WRX VAPOR CHARCOAL CANISTER 2.0L 42035VA010
*MATCH MANUFACTURER PART NUMBER TO GUARANTEE FIT*Pre-Owned: Subaru$79.20Trending at $82.12eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best OfferFree shippingFit For Carbon Fibre Subaru 15-21 WRX STI Style Rear Exhaust Heat Shield 1 pair (Fits: More than one vehicle)
Brand New$119.00Free shippingOnly 1 left!Magnaflow Exhaust Muffler System for 2015-2019 Subaru WRX 15-19 (Fits: More than one vehicle)
Pre-Owned: Subaru$650.07Was: $699.00Free shipping15-19 WRX Base 2.0L Blue Tip Dual Aftermarket Mufflers Exhaust System Catback OE (Fits: 2018 Subaru WRX)
Pre-Owned: Subaru$358.99or Best OfferFree shippingGenuine OEM Subaru WRX STi Legacy Catalytic Converter System Gasket 44022AA123 (Fits: More than one vehicle)
Brand New: Subaru$16.80Trending at $19.48eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping87 soldFOR 2015-2021 SUBARU WRX 2.0L Catalytic Converter 44612AA771 44612AA770 (Fits: 2018 Subaru WRX)
Brand New: Unbranded$255.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $321.11or Best OfferFree shippingNew Catalytic Converter 44612-AA771 44612-AA770 for 2015-2021 SUBARU WRX 2.0L (Fits: 2018 Subaru WRX)
Brand New$255.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $318.75or Best OfferFree shipping