Subaru WRX STI Mufflers

Take your WRX STI to the next level with VividRacing's high performance engine components like pistons, rods & bearings, as well as Cold Air Intake, Suspension like Springs, Rods and Coilovers, to wheels, tires and anything else you could use to tune your WRX STI to the next level. For high performance upgrades for your WRX STI, VividRacing has you covered-- we're the #1 source on the web for WRX STI racing parts and upgrades, and our drive to be number one in customer service and delivery keeps our customers returning to us year after year. Even if you don't find what you're looking for, be sure to call us and speak with a WRX STI upgrade & racing specialist-- odds are we can help you locate the exact part you want.

View all WRX STI Mufflers products

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	TurboXS Rear Titanium Muffler Subaru WRX STI 02-07 Model Number: WS02-RMA-TI View Price TurboXS Rear Titanium Muffler Subaru WRX STI 02-07A 3" straight through design unleashes all the power your engine can make. Unique flange design allows the RMA-TI to be bolted directly to either the factory mid-pipe or the TXS mid-pipe. Straight though canister muffler with the straightest exhaust path possible so maximum performance can be realized. Full T-304 stainless construction for long lasting performance plus a titanium tip to keep things light and looking good....
	TurboXS Rear Stainless Steel Muffler Subaru WRX STI 02-07 Model Number: WS02-RMA View Price TurboXS Rear Stainless Steel Muffler Subaru WRX STI 02-07The TurboXS Rear Muffler for WRX & STi is mandrel-bent from 3" Stainless Steel pipe, with a polished 4" Stainless Steel tip for a more classy look than the factory pipe. Fully TIG welded for strength and accuracy, the TurboXS Rear Muffler for WRX & STi bolts directly to the factory midpipe flange and uses the factory mounting points. Of course, it is also fully compatible with the TurboXS Mid Pipe for WRX and STi! Perhaps most importantly ...
	HKS Legamax Premium Rear Section Exhaust Subaru WRX STI 08-12 Model Number: 31021-AF012 View Price HKS Legamax Premium Rear Section Exhaust Subaru WRX STI 08+Increasing the amount of exhaust flow is the first progressive step to increased engine performance and efficiency. The factory exhaust system represents a restriction in the stock configuration. By designing a system that increases the mass and velocity of exhaust flow, it allows for a reduction in backpressure and thermal stress, thus unleashing the engine's potential for increased power, torque and responsiveness. All HKS exhaust syst...
	Blitz NUR-CTi Axle Back Exhaust Subaru WRX STi 04-07 Model Number: 64040 View Price Blitz NUR-CTi Axle Back Exhaust Subaru WRX STi 04-07The quality of the BLITZ stainless steel exhausts is second to none. Rated as the highest quality, our exhausts perform as well as they look. Unlike conventional exhaust systems, BLITZ exhausts utilize a slanted mounting design which eliminates unnecessary bends. The specially designed muffler and large diameter mandrel bent piping has no reduction of inner diameter in bend areas. The constant piping diameter size allows for superior exhaust fl...
	Injen Stainless Steel 70mm Axle Back w/Quad Titanium Tips Subaru WRX STI 08-11 Model Number: SES1204TT View Price Injen Technology's Super SES line of exhaust systems are dyno tuned to compliment their performance intake systems. In doing so, the Super SES exhaust provides maximum horsepower and torque gains across the entire power band. Super SES parts are manufactured from 100% 304 stainless steel. Each exhaust system features mandrel-bent stainless steel tubing and is TIG welded for strength.Features:HP Gains: +18.1 hp TQ Gains: +19.1 lb/ft 70mm Piping / Quad Titanium Tips Dyno-tuned for maximum horse...
	HKS Legamax Premium Exhaust Rear Section Subaru WRX STI Hatchback 08-14 Model Number: 31021-AF013 View Price Legamax and Sport Exhaust Systems are designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Legamax and Sport Exhaust application utilizes a specific muffler design and shape along with the appropriate piping diameter to maintain low-end torque while maximizing high-end horsepower. All Legamax systems are made from polished SUS304 stainless steel piping.Features:Construction: SUS304Dual ExitsDiameter: 65mmTip: 90 mmFitment:Subaru WRX STi...
	HKS Super Turbo Muffler Subaru WRX STI EJ20T 2015 Model Number: 31029-AF011 View Price Specifically engineered for turbo applications that require greater flow capacity than naturally aspirated applications, Turbo Exhaust systems use a straight through design. The increased flow characteristics offer a gain in boost pressure, boost response, a broader power band and increases overall peak horsepower. Performance increases vary by application, with average gains of 10-25 horsepower.Features:Construction: SUS304Diameter: 75mmTip: 124 mmCenter Pipe IncludedTip Color: SilverFitment:Su...