2015-2021 Subaru WRX Engine Parts & Upgrades
Shop 2015-2021 subaru wrx engine parts and performance upgrades at JDMuscle. We carry the top brands with guaranteed fitment for your 2015-2021 Subaru WRX.
2015-2021 Subaru WRX Engine
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Up to $200 off
In StockPLM Subaru Impreza WRX Header Manifold 2015 - 2021 Equal Length with EWG | PLM-SUB-HEADER-GK-EL-EWG
Only 8 leftRegular price $695.00Sale price $695.00 Regular priceUnit price per$895.00 -
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](//jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-7733264.jpg?v=1770322212&width=220)
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](//jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-4083617.png?v=1770322212&width=220)
HKS Fine Tune V-Belt/ Serpentine Belt
Fits: 15-21 WRX
Regular price $79.00Sale price $79.00 Regular priceUnit price per$79.00 -
![Cobb [06-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT] Spark Plug Set One Step Colder | D44700](//jdmuscleusa.com/cdn/shop/products/b1aa4f1627c975827869c09c78278c4e.jpg?v=1660655055&width=220)
![Cobb [06 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 08 FXT] Spark Plug Set One Step Colder - JDMuscleSpark PlugscobbD44700](//jdmuscleusa.com/cdn/shop/files/cobb-06-14-wrx-04-21-sti-05-09-lgt-04-08-fxt-spark-plug-set-one-step-colder-1998864.jpg?v=1770330674&width=220)
In StockCOBB 2.5L Spark Plug Set - One Step Colder
Fits: 04-14 WRX, 04-21 STI, 05-09 Legacy GT/Outback XT, 04-13 Forester XT
Regular price $68.00Sale price $68.00 Regular priceUnit price per$68.00 -
![Koyo [08-21 WRX/STI, 05-09 LGT] 13mm Coolant Reservoir Adapter - For Part VH091662 | PI-2183 - JDMuscleCoolant and AdditiveskoyPI-2183](//jdmuscleusa.com/cdn/shop/products/koyo-08-21-wrxsti-05-09-lgt-13mm-coolant-reservoir-adapter-for-part-vh091662-pi-2183-6118526.jpg?v=1781013553&width=220)
Up to $4.36 off
In StockKoyo 13mm Coolant Reservoir Adapter - For Part# VH091662 | PI-2183
Fits: 08-21 WRX/STI, 05-09 LGT
Only 2 leftRegular price $17.00Sale price $17.00 Regular priceUnit price per$21.36 -
![HKS [15-21 WRX] Super SQV4 Blow Off Valve | 71008-AF015](//jdmuscleusa.com/cdn/shop/products/hks-super-sqv4-blow-off-valve-kit-subaru-wrx-2015-2020-71008-af015-blow-off-valves-hks-hks71008-af015.jpg?v=1614542001&width=220)
![HKS [15-21 WRX] Super SQV4 Blow Off Valve | 71008-AF015](//jdmuscleusa.com/cdn/shop/files/3a2aed80f81d0d42c326d1fc8bd0e6d8_e52323d8-f097-44db-aef4-2c3da808a515.webp?v=1741024858&width=220)
In StockHKS Super SQV4 Blow Off Valve
Fits: 15-21 WRX
Regular price $385.00Sale price $385.00 Regular priceUnit price per$385.00 -
![Koyo [08-21 WRX/STI] 8mm Coolant Reservoir Adapter-For Part VH091662 - JDMuscleOverflow Tanks / Coolant Tank and AccessorieskoyPI-2182](//jdmuscleusa.com/cdn/shop/products/koyo-08-21-wrxsti-8mm-coolant-reservoir-adapter-for-part-vh091662-1575856.jpg?v=1781013553&width=220)
Up to $4.36 off
In StockKoyo 8mm Coolant Reservoir Adapter-For Part# VH091662
Fits: 08-21 WRX/STI
Only 2 leftRegular price $17.00Sale price $17.00 Regular priceUnit price per$21.36 -
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Double Wall 4 Inch Burnt Tips | RO-TTVA-D4](//jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-w-4-inch-double-wall-burnt-tips-subaru-wrx-sti-2015-2020-axle-back-exhausts-remark-ro-ttva-d4.jpg?v=1745512020&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Double Wall 4 Inch Burnt Tips | RO-TTVA-D4](//jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-w-4-inch-double-wall-burnt-tips-subaru-wrx-sti-2015-2020-axle-back-exhausts-remark-ro-ttva-d4-2.jpg?v=1745512020&width=220)
In StockRemark Stainless Steel Axle Back w/ Double Wall 4 Inch Burnt Tips
Fits: 15-21 WRX/STI
Only 5 leftRegular price $755.00Sale price $755.00 Regular priceUnit price per$755.00 -
![Mishimoto [08-15 WRX/STI] Plug-N-Play Aluminum Fan Shroud Kit | MMFS-STI-08P](//jdmuscleusa.com/cdn/shop/products/mishimoto-plug-n-play-aluminum-fan-shroud-kit-subaru-impreza-wrx-sti-2008-2019-radiator-fans-mishimoto-mmfs-sti-08p.jpg?v=1614515244&width=220)
![Mishimoto [08-15 WRX/STI] Plug-N-Play Aluminum Fan Shroud Kit | MMFS-STI-08P](//jdmuscleusa.com/cdn/shop/products/mishimoto-plug-n-play-aluminum-fan-shroud-kit-subaru-impreza-wrx-sti-2008-2019-radiator-fans-mishimoto-mmfs-sti-08p-2.jpg?v=1614515245&width=220)
Up to $33.05 off
In StockMishimoto Plug-N-Play Aluminum Fan Shroud Kit | MMFS-STI-08P
Fits: 08-15 WRX/STI
Only 7 leftRegular price $334.95Sale price $334.95 Regular priceUnit price per$368.00 -
![Extreme Online Store [15 - 21 WRX / STi] Axle Back Quad Burnt Tips Exhaust - JDMuscleAxle Back ExhaustsEXT-MD002-BTQuad Burnt Tips](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-sti-axle-back-quad-burnt-tips-exhaust-7063058.jpg?v=1770326790&width=220)
![Extreme Online Store [15 - 21 WRX / STi] Axle Back Quad Burnt Tips Exhaust - JDMuscleAxle Back ExhaustsEXT-MD002-BTQuad Burnt Tips](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-sti-axle-back-quad-burnt-tips-exhaust-5366294.jpg?v=1770326791&width=220)
EOS Axle Back Quad Burnt Tips Exhaust
Fits: 15-21 WRX / STI
Regular price $330.00Sale price $330.00 Regular priceUnit price per$289.98 -
![COBB [08 - 21 WRX/STI] Redline Fuse Cover - Gloss Finish - JDMuscleFuse Box Coverscobb844660](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-redline-fuse-cover-gloss-finish-7155898.jpg?v=1770330626&width=220)
![COBB [08 - 21 WRX/STI] Redline Fuse Cover - Gloss Finish - JDMuscleFuse Box Coverscobb844660](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-redline-fuse-cover-gloss-finish-7089390.jpg?v=1770330626&width=220)
In StockCOBB Redline Fuse Cover - Gloss Finish
Fits: 08-21 WRX/STI, 18 Type RA, 19 S209
Only 14 leftRegular price $207.00Sale price $207.00 Regular priceUnit price per$207.00 -
![Tomei [15-21 WRX] Equal Length Exhaust Manifold - JDMuscleExhaust Headers and ManifoldsTOMTB6010-SB04B](//jdmuscleusa.com/cdn/shop/products/tomei-15-21-wrx-equal-length-exhaust-manifold-2543796.jpg?v=1783899632&width=220)
Up to $79 off
In StockTomei Equal Length Exhaust Manifold
Fits: 15-21 WRX
Only 5 leftRegular price $711.00Sale price $711.00 Regular priceUnit price per$790.00 -
![PLM [15-21 WRX/STI] Axle-Back Exhaust Muffler Deletes V2 - JDMuscleAxle Back ExhaustsPLM-SUB-TKP-DUAL-2015-2-BLUETITANIUM BLUE TIP](//jdmuscleusa.com/cdn/shop/products/plm-15-21-wrxsti-axle-back-exhaust-muffler-deletes-v2-9362250.jpg?v=1789267818&width=220)
![PLM [15-21 WRX/STI] Axle-Back Exhaust Muffler Deletes V2 - JDMuscleAxle Back ExhaustsPLM-SUB-TKP-DUAL-2015-2-POLISHPOLISHED TIP](//jdmuscleusa.com/cdn/shop/products/plm-15-21-wrxsti-axle-back-exhaust-muffler-deletes-v2-1146440.jpg?v=1789267818&width=220)
Up to $51 off
In StockPLM Axle-Back Exhaust Muffler Deletes V2
Fits: 15-21 WRX/STI
Only 7 leftRegular price From $299.00Sale price From $299.00 Regular priceUnit price per$350.00 -
In StockGrimmspeed 3-Port Boost Control Solenoid | 057046
Fits: 15-21 WRX w/ aftermarket Turbo, 10-12 LGT
Only 1 leftRegular price $190.00Sale price $190.00 Regular priceUnit price per$190.00 -
![Revel [15-21 WRX / STI] GT Dry Carbon Air Intake Cover - 1 Piece | 1TR4GT0AS08](//jdmuscleusa.com/cdn/shop/products/1TR4GT0AS08.jpg?v=1669934847&width=220)
Up to $12.75 off
In StockRevel GT Dry Carbon Air Intake Cover - 1 Piece
Fits: 15-21 WRX/STI
Only 1 leftRegular price $242.25Sale price $242.25 Regular priceUnit price per$255.00 -
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Black | TB301A-SB01B](//jdmuscleusa.com/cdn/shop/products/TB301A-SB01B.jpg?v=1669932204&width=220)
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Black | TB301A-SB01B](//jdmuscleusa.com/cdn/shop/products/TB301A-SB01B_1.jpg?v=1667810532&width=220)
Up to $19 off
In StockTomei Silicone Turbo Inlet Hose - Black | TB301A-SB01B
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 5 leftRegular price $171.00Sale price $171.00 Regular priceUnit price per$190.00 -
![DeatschWerks [15-21 WRX / 13-16 BRZ / FR-S] DW300c Fuel Pump w/ Install Kit | 9-307-1010](//jdmuscleusa.com/cdn/shop/products/deatschwerks-dw300c-fuel-pump-w-install-kit-subaru-wrx-2015-2019-brz-fr-s-2013-2016-fuel-pumps-and-accessories-deatschwerks-dw9-307-1010.jpg?v=1614521663&width=220)
In StockDeatschWerks DW300c Fuel Pump w/ Install Kit | 9-307-1010
Fits: 15-21 WRX, 13-16 BRZ/FR-S
Regular price $189.00Sale price $189.00 Regular priceUnit price per$189.00
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](http://jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-7733264.jpg?v=1770322212&width=220)
![HKS [15 - 21 WRX] Fine Tune V - Belt/ Serpentine Belt | 24996 - AK035 - JDMuscleAccessory Beltshks24996-AK035](http://jdmuscleusa.com/cdn/shop/files/hks-15-21-wrx-fine-tune-v-belt-serpentine-belt-24996-ak035-4083617.png?v=1770322212&width=220)
![Cobb [06-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT] Spark Plug Set One Step Colder | D44700](http://jdmuscleusa.com/cdn/shop/products/b1aa4f1627c975827869c09c78278c4e.jpg?v=1660655055&width=220)
![Cobb [06 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 08 FXT] Spark Plug Set One Step Colder - JDMuscleSpark PlugscobbD44700](http://jdmuscleusa.com/cdn/shop/files/cobb-06-14-wrx-04-21-sti-05-09-lgt-04-08-fxt-spark-plug-set-one-step-colder-1998864.jpg?v=1770330674&width=220)
![Koyo [08-21 WRX/STI, 05-09 LGT] 13mm Coolant Reservoir Adapter - For Part VH091662 | PI-2183 - JDMuscleCoolant and AdditiveskoyPI-2183](http://jdmuscleusa.com/cdn/shop/products/koyo-08-21-wrxsti-05-09-lgt-13mm-coolant-reservoir-adapter-for-part-vh091662-pi-2183-6118526.jpg?v=1781013553&width=220)
![HKS [15-21 WRX] Super SQV4 Blow Off Valve | 71008-AF015](http://jdmuscleusa.com/cdn/shop/products/hks-super-sqv4-blow-off-valve-kit-subaru-wrx-2015-2020-71008-af015-blow-off-valves-hks-hks71008-af015.jpg?v=1614542001&width=220)
![HKS [15-21 WRX] Super SQV4 Blow Off Valve | 71008-AF015](http://jdmuscleusa.com/cdn/shop/files/3a2aed80f81d0d42c326d1fc8bd0e6d8_e52323d8-f097-44db-aef4-2c3da808a515.webp?v=1741024858&width=220)
![Koyo [08-21 WRX/STI] 8mm Coolant Reservoir Adapter-For Part VH091662 - JDMuscleOverflow Tanks / Coolant Tank and AccessorieskoyPI-2182](http://jdmuscleusa.com/cdn/shop/products/koyo-08-21-wrxsti-8mm-coolant-reservoir-adapter-for-part-vh091662-1575856.jpg?v=1781013553&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Double Wall 4 Inch Burnt Tips | RO-TTVA-D4](http://jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-w-4-inch-double-wall-burnt-tips-subaru-wrx-sti-2015-2020-axle-back-exhausts-remark-ro-ttva-d4.jpg?v=1745512020&width=220)
![Remark [15-21 WRX/STI] Stainless Steel Axle Back w/ Double Wall 4 Inch Burnt Tips | RO-TTVA-D4](http://jdmuscleusa.com/cdn/shop/products/remark-axle-back-exhaust-w-4-inch-double-wall-burnt-tips-subaru-wrx-sti-2015-2020-axle-back-exhausts-remark-ro-ttva-d4-2.jpg?v=1745512020&width=220)
![Mishimoto [08-15 WRX/STI] Plug-N-Play Aluminum Fan Shroud Kit | MMFS-STI-08P](http://jdmuscleusa.com/cdn/shop/products/mishimoto-plug-n-play-aluminum-fan-shroud-kit-subaru-impreza-wrx-sti-2008-2019-radiator-fans-mishimoto-mmfs-sti-08p.jpg?v=1614515244&width=220)
![Mishimoto [08-15 WRX/STI] Plug-N-Play Aluminum Fan Shroud Kit | MMFS-STI-08P](http://jdmuscleusa.com/cdn/shop/products/mishimoto-plug-n-play-aluminum-fan-shroud-kit-subaru-impreza-wrx-sti-2008-2019-radiator-fans-mishimoto-mmfs-sti-08p-2.jpg?v=1614515245&width=220)
![Extreme Online Store [15 - 21 WRX / STi] Axle Back Quad Burnt Tips Exhaust - JDMuscleAxle Back ExhaustsEXT-MD002-BTQuad Burnt Tips](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-sti-axle-back-quad-burnt-tips-exhaust-7063058.jpg?v=1770326790&width=220)
![Extreme Online Store [15 - 21 WRX / STi] Axle Back Quad Burnt Tips Exhaust - JDMuscleAxle Back ExhaustsEXT-MD002-BTQuad Burnt Tips](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-15-21-wrx-sti-axle-back-quad-burnt-tips-exhaust-5366294.jpg?v=1770326791&width=220)
![COBB [08 - 21 WRX/STI] Redline Fuse Cover - Gloss Finish - JDMuscleFuse Box Coverscobb844660](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-redline-fuse-cover-gloss-finish-7155898.jpg?v=1770330626&width=220)
![COBB [08 - 21 WRX/STI] Redline Fuse Cover - Gloss Finish - JDMuscleFuse Box Coverscobb844660](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-redline-fuse-cover-gloss-finish-7089390.jpg?v=1770330626&width=220)
![Tomei [15-21 WRX] Equal Length Exhaust Manifold - JDMuscleExhaust Headers and ManifoldsTOMTB6010-SB04B](http://jdmuscleusa.com/cdn/shop/products/tomei-15-21-wrx-equal-length-exhaust-manifold-2543796.jpg?v=1783899632&width=220)
![PLM [15-21 WRX/STI] Axle-Back Exhaust Muffler Deletes V2 - JDMuscleAxle Back ExhaustsPLM-SUB-TKP-DUAL-2015-2-BLUETITANIUM BLUE TIP](http://jdmuscleusa.com/cdn/shop/products/plm-15-21-wrxsti-axle-back-exhaust-muffler-deletes-v2-9362250.jpg?v=1789267818&width=220)
![PLM [15-21 WRX/STI] Axle-Back Exhaust Muffler Deletes V2 - JDMuscleAxle Back ExhaustsPLM-SUB-TKP-DUAL-2015-2-POLISHPOLISHED TIP](http://jdmuscleusa.com/cdn/shop/products/plm-15-21-wrxsti-axle-back-exhaust-muffler-deletes-v2-1146440.jpg?v=1789267818&width=220)
![Revel [15-21 WRX / STI] GT Dry Carbon Air Intake Cover - 1 Piece | 1TR4GT0AS08](http://jdmuscleusa.com/cdn/shop/products/1TR4GT0AS08.jpg?v=1669934847&width=220)
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Black | TB301A-SB01B](http://jdmuscleusa.com/cdn/shop/products/TB301A-SB01B.jpg?v=1669932204&width=220)
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Black | TB301A-SB01B](http://jdmuscleusa.com/cdn/shop/products/TB301A-SB01B_1.jpg?v=1667810532&width=220)
![DeatschWerks [15-21 WRX / 13-16 BRZ / FR-S] DW300c Fuel Pump w/ Install Kit | 9-307-1010](http://jdmuscleusa.com/cdn/shop/products/deatschwerks-dw300c-fuel-pump-w-install-kit-subaru-wrx-2015-2019-brz-fr-s-2013-2016-fuel-pumps-and-accessories-deatschwerks-dw9-307-1010.jpg?v=1614521663&width=220)