Elevate your Subaru STI 2008-2014 driving experience with a diverse selection of high-performance Exhaust Parts from renowned brands such as ETS, HKS, Perrin, Mishimoto, AWE Tuning, Nameless Performance, Cobb, Remark, PLM, REVEL, Invidia, Turbo XS, GrimmSpeed, aFe Power, Subaru OEM, and MBRP. Discover a range of options including axle-back exhausts, cat-back exhaust systems, exhaust gaskets and hardware, exhaust hangers, exhaust headers and manifolds, exhaust mid pipes, exit deletes, and front pipes and downpipes/y-pipes. Unleash the distinctive roar of your STI's engine while optimizing its power and efficiency. With an array of offerings that cater to various preferences and performance goals, these exhaust parts are meticulously engineered to enhance your vehicle's performance, style, and overall driving enjoyment, making your Subaru STI stand out on the road and leaving an indelible mark on every journey.
2008-2014 Subaru WRX STI Exhaust Parts
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![Invidia [08-14 WRX/ 08-21 STI] High Flow Catted Downpipe | HS08SW1DPC](//jdmuscleusa.com/cdn/shop/products/invidia-high-flow-catted-downpipe-subaru-wrx-2008-2014-sti-2008-2019-legacy-gt-2005-2009-hs08sw1dpc-front-pipes-and-downpipes-y-pipes-invidia-invhs08sw1dpc.jpg?v=1614517009&width=220)
Up to $390 off
In StockInvidia High Flow Catted Downpipe
Fits: 08-14 WRX, 08-21 STI
Regular price $861.00Sale price $861.00 Regular priceUnit price per$1,251.00 -
![GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Turbo [Subaru Models, incl. 15-21 WRX/STI] | 077046](//jdmuscleusa.com/cdn/shop/products/grimmspeed-catback-adapter-stock-dp-to-aftermarket-3-in-subaru-wrx-sti-legacy-gt-forester-xt-077046-exhaust-gaskets-and-hardware-grimmspeed-grm077046.jpg?v=1614517761&width=220)
![GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Turbo [Subaru Models, incl. 15-21 WRX/STI] | 077046](//jdmuscleusa.com/cdn/shop/products/grimmspeed-catback-adapter-stock-dp-to-aftermarket-3-in-subaru-wrx-sti-legacy-gt-forester-xt-077046-exhaust-gaskets-and-hardware-grimmspeed-grm077046-2.jpg?v=1614675435&width=220)
In StockGrimmSpeed OEM Downpipe to 3in Cat Back Adapter Turbo
Fits: Subaru Models, incl. 15-21 WRX/STI
Regular price $80.00Sale price $80.00 Regular priceUnit price per$80.00 -
In StockGrimmSpeed Turbo to Downpipe Gasket - Subaru Turbo
Regular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
![GrimmSpeed [02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT] Uppipe to Turbo Gasket | 024001](//jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-up-pipe-to-turbo-gasket-gasket-024001-exhaust-gaskets-and-hardware-grimmspeed-grmgasket-024001.jpg?v=1614517788&width=220)
In StockGrimmSpeed Uppipe to Turbo Gasket
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price $26.00Sale price $26.00 Regular priceUnit price per$26.00 -
![Turbo XS [WRX/STI] OEM Downpipe to 3in Cat - Back Adapter w/Standard Exhaust Gasket | ADA - OEMDP - 3CB - JDMuscleExhaust Gaskets and HardwaretxsADA-OEMDP-3CB](//jdmuscleusa.com/cdn/shop/products/turbo-xs-wrxsti-oem-downpipe-to-3in-cat-back-adapter-wstandard-exhaust-gasket-ada-oemdp-3cb-3432239.jpg?v=1770328593&width=220)
Up to $4 offTurbo XS OEM Downpipe to 3in Cat-Back Adapter w/Standard Exhaust Gasket
Fits: WRX/STI
Regular price $35.00Sale price $35.00 Regular priceUnit price per$39.00 -
![Tomei [02-14 WRX, 04-21 STI, 05-09 LGT, 05-08 FXT] Unequal Length Exhaust Manifold/ Header | TB6010-SB02A](//jdmuscleusa.com/cdn/shop/products/tomei-unequal-length-exhaust-manifold-subaru-wrx-2002-2014-sti-2004-2020-exhaust-headers-and-manifolds-tomei-tb6010-sb02a.jpg?v=1614535670&width=220)
![Tomei [02-14 WRX, 04-21 STI, 05-09 LGT, 05-08 FXT] Unequal Length Exhaust Manifold/ Header | TB6010-SB02A](//jdmuscleusa.com/cdn/shop/files/tomei-unequal-length-exhaust-manifold-2002-2014-wrx-2004-2021-sti-2005-2009-lgt-2005-2008-fxt-tb6010-sb02a-724209_500x375_fdb4fc10-610a-4882-9d2d-4660ce65554e.jpg?v=1686347698&width=220)
Up to $89 off
In StockTomei Unequal Length Exhaust Manifold/ Header | TB6010-SB02A
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 05-08 FXT
Only 5 leftRegular price $801.00Sale price $801.00 Regular priceUnit price per$890.00 -
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](//jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_19b4e6d0-dee2-44d1-b6d5-bb1d139c297c.gif?v=1573673614&width=220)
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](//jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_2.gif?v=1573673614&width=220)
Up to $401.20 off
In StockInvidia High Flow Cat w/ Extra 02 Bung Downpipe
Fits: 08-14 WRX, 08-21 STI
Regular price $884.00Sale price $884.00 Regular priceUnit price per$1,285.20 -
![Invidia [08-14 WRX / 08-21 STI] Downpipe w/ High Flow Cat | HS08SW1DOCB](//jdmuscleusa.com/cdn/shop/products/hs08sw1docb.gif?v=1630007732&width=220)
Up to $401.20 off
In StockInvidia Downpipe w/ High Flow Cat | HS08SW1DOCB
Fits: 08-14 WRX / 08-21 STI
Only 17 leftRegular price $884.00Sale price $884.00 Regular priceUnit price per$1,285.20 -
Up to $27.20 off
In StockInvidia Stock Downpipe to 3in Exhaust Adapter - Universal
Regular price $61.00Sale price $61.00 Regular priceUnit price per$88.20 -
Up to $89 off
In StockTomei 08-14 WRX / 04-21 STI Equal Length Exhaust Manifold | TB6010-SB02B
Only 5 leftRegular price $801.00Sale price $801.00 Regular priceUnit price per$890.00 -
![GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter [Subaru Turbo Models inc. 15-21 WRX/STI] | 077044](//jdmuscleusa.com/cdn/shop/products/grimmspeed-3in-downpipe-adapter-for-subaru-077044-exhaust-gaskets-and-hardware-grimmspeed-grm077044.jpg?v=1614517852&width=220)
In StockGrimmSpeed 3in Downpipe to Stock Cat-Back Adapter
Fits: Subaru Turbo Models inc. 15-21 WRX/STI
Regular price $81.00Sale price $81.00 Regular priceUnit price per$81.00 -
In StockOVERTAKE Adjustable Exhaust Hanger - 12mm
Fits: 08-26 WRX, 08-21 STI, 13-26 BRZ
Regular price From $13.00Sale price From $13.00 Regular priceUnit price per$13.00 -
In StockGrimmSpeed Version 2 Turbo Heat Shield
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price From $110.00Sale price From $110.00 Regular priceUnit price per$110.00 -
![PLM [02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 05-09 OBXT] Power Driven Up Pipe - JDMuscleTurbo UppipesPLM-SUB-UP-PIPE-IWG](//jdmuscleusa.com/cdn/shop/products/plm-02-14-wrx-04-21-sti-04-13-fxt-05-09-lgt-05-09-obxt-power-driven-up-pipe-7621915.jpg?v=1786515611&width=220)
Up to $54 off
In StockPLM Power Driven Up Pipe
Fits: 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 05-09 OBXT
Only 8 leftRegular price $195.00Sale price $195.00 Regular priceUnit price per$249.00 -
Up to $110 offPLM 02-14 WRX/ 04-21 STI Power Driven EWG 2-Bolt Up Pipe with Dump Tube 38mm | Also fits Baja Turbo 2004-2006 / Forester XT 2004-2013 / Legacy GT 2005-2009 / Turbo 1991-1994 / Outback XT 2005-2009 | PLM-SUB-UP-PIPE-EWG-38MM
Regular price $339.00Sale price $339.00 Regular priceUnit price per$449.00 -
![Extreme Online Store [08 - 21 STI / 08 - 14 WRX] Performance Catted Downpipe - JDMuscleFront Pipes and Downpipes / J - Pipes](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-08-21-sti-08-14-wrx-performance-catted-downpipe-8738233.jpg?v=1770326780&width=220)
![Extreme Online Store [08 - 21 STI / 08 - 14 WRX] Performance Catted Downpipe - JDMuscleFront Pipes and Downpipes / J - Pipes](//jdmuscleusa.com/cdn/shop/files/extreme-online-store-08-21-sti-08-14-wrx-performance-catted-downpipe-2866454.jpg?v=1770326780&width=220)
In StockEOS Performance Catted Downpipe
Fits: 08-21 STI / 08-14 WRX
Only 1 leftRegular price $380.00Sale price $380.00 Regular priceUnit price per$329.98
![Invidia [08-14 WRX/ 08-21 STI] High Flow Catted Downpipe | HS08SW1DPC](http://jdmuscleusa.com/cdn/shop/products/invidia-high-flow-catted-downpipe-subaru-wrx-2008-2014-sti-2008-2019-legacy-gt-2005-2009-hs08sw1dpc-front-pipes-and-downpipes-y-pipes-invidia-invhs08sw1dpc.jpg?v=1614517009&width=220)
![GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Turbo [Subaru Models, incl. 15-21 WRX/STI] | 077046](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-catback-adapter-stock-dp-to-aftermarket-3-in-subaru-wrx-sti-legacy-gt-forester-xt-077046-exhaust-gaskets-and-hardware-grimmspeed-grm077046.jpg?v=1614517761&width=220)
![GrimmSpeed OEM Downpipe to 3in Cat Back Adapter Turbo [Subaru Models, incl. 15-21 WRX/STI] | 077046](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-catback-adapter-stock-dp-to-aftermarket-3-in-subaru-wrx-sti-legacy-gt-forester-xt-077046-exhaust-gaskets-and-hardware-grimmspeed-grm077046-2.jpg?v=1614675435&width=220)
![GrimmSpeed [02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT] Uppipe to Turbo Gasket | 024001](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-subaru-up-pipe-to-turbo-gasket-gasket-024001-exhaust-gaskets-and-hardware-grimmspeed-grmgasket-024001.jpg?v=1614517788&width=220)
![Turbo XS [WRX/STI] OEM Downpipe to 3in Cat - Back Adapter w/Standard Exhaust Gasket | ADA - OEMDP - 3CB - JDMuscleExhaust Gaskets and HardwaretxsADA-OEMDP-3CB](http://jdmuscleusa.com/cdn/shop/products/turbo-xs-wrxsti-oem-downpipe-to-3in-cat-back-adapter-wstandard-exhaust-gasket-ada-oemdp-3cb-3432239.jpg?v=1770328593&width=220)
![Tomei [02-14 WRX, 04-21 STI, 05-09 LGT, 05-08 FXT] Unequal Length Exhaust Manifold/ Header | TB6010-SB02A](http://jdmuscleusa.com/cdn/shop/products/tomei-unequal-length-exhaust-manifold-subaru-wrx-2002-2014-sti-2004-2020-exhaust-headers-and-manifolds-tomei-tb6010-sb02a.jpg?v=1614535670&width=220)
![Tomei [02-14 WRX, 04-21 STI, 05-09 LGT, 05-08 FXT] Unequal Length Exhaust Manifold/ Header | TB6010-SB02A](http://jdmuscleusa.com/cdn/shop/files/tomei-unequal-length-exhaust-manifold-2002-2014-wrx-2004-2021-sti-2005-2009-lgt-2005-2008-fxt-tb6010-sb02a-724209_500x375_fdb4fc10-610a-4882-9d2d-4660ce65554e.jpg?v=1686347698&width=220)
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](http://jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_19b4e6d0-dee2-44d1-b6d5-bb1d139c297c.gif?v=1573673614&width=220)
![Invidia [08-14 WRX, 08-21 STI] High Flow Cat w/ Extra 02 Bung Downpipe | HS08SW1DOC](http://jdmuscleusa.com/cdn/shop/products/HS08SW1DOC_2.gif?v=1573673614&width=220)
![Invidia [08-14 WRX / 08-21 STI] Downpipe w/ High Flow Cat | HS08SW1DOCB](http://jdmuscleusa.com/cdn/shop/products/hs08sw1docb.gif?v=1630007732&width=220)
![GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter [Subaru Turbo Models inc. 15-21 WRX/STI] | 077044](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-3in-downpipe-adapter-for-subaru-077044-exhaust-gaskets-and-hardware-grimmspeed-grm077044.jpg?v=1614517852&width=220)
![PLM [02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 05-09 OBXT] Power Driven Up Pipe - JDMuscleTurbo UppipesPLM-SUB-UP-PIPE-IWG](http://jdmuscleusa.com/cdn/shop/products/plm-02-14-wrx-04-21-sti-04-13-fxt-05-09-lgt-05-09-obxt-power-driven-up-pipe-7621915.jpg?v=1786515611&width=220)
![Extreme Online Store [08 - 21 STI / 08 - 14 WRX] Performance Catted Downpipe - JDMuscleFront Pipes and Downpipes / J - Pipes](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-08-21-sti-08-14-wrx-performance-catted-downpipe-8738233.jpg?v=1770326780&width=220)
![Extreme Online Store [08 - 21 STI / 08 - 14 WRX] Performance Catted Downpipe - JDMuscleFront Pipes and Downpipes / J - Pipes](http://jdmuscleusa.com/cdn/shop/files/extreme-online-store-08-21-sti-08-14-wrx-performance-catted-downpipe-2866454.jpg?v=1770326780&width=220)