TurboXS Performance Parts

The best TurboXS parts for most owners are its cat-back exhausts, which add a deeper exhaust note and freer flow for turbo Subaru, Mazda RX-8, Forester XT, and Mitsubishi EVO X applications listed here. This collection is the exhaust-focused TurboXS range at JDMuscle, from the loud RFL system for 2002-2007 WRX and WRX STI to quad-tip GT and Touring systems for later hatchback and sedan cars. Check your year and model before ordering, because tip style, muffler, and body style all change the correct part.

A cat-back replaces the exhaust from the catalytic converter rearward, so it shapes sound and appearance without replacing the downpipe section. Look first at body style and muffler type: a standard muffler suits a quieter daily driver, a Touring system aims for a more restrained tone, and the RFL name signals a much louder choice for drivers who want that character. Tip finish also matters, with polished stainless and blued titanium-look tips offered on the 2002-2007 applications in this range.

Beyond exhausts, this collection includes TurboXS pitch stop mounts for 2002-2014 WRX and WRX STI in blue and purple, a small supporting upgrade that limits engine movement under load.

TurboXS is best known to Subaru owners for turbo support parts, and its wider boost-control range sits in the linked collection. In exhausts, the brand built its following on straightforward turbo-car systems with clear variants by generation: the TurboXS Cat-Back Exhaust for 2004-2008 Forester XT, the TurboXS Cat-Back Exhaust for 2008-2014 WRX and WRX STI Hatchback with a standard muffler, and the TurboXS RFL Cat-Back Exhaust for 2002-2007 WRX and WRX STI show that spread clearly.

Invidia is a useful comparison for Subaru exhaust shoppers, with a large range built around different sound levels and tip styles for the same generations. Comparing Invidia and TurboXS side by side helps if you are deciding between a more touring-focused tone and a louder RFL-style system.

Borla offers another reference point, known for stainless cat-back systems with a polished, performance-touring character, while TurboXS keeps a strong following among earlier WRX, WRX STI, and Forester XT owners. For more background, read our comparison of different cat-back exhausts.

Will a TurboXS cat-back fit my car?

Only if the listing matches your exact year, model, and body style. A 2008-2014 hatchback system, a 2011-2014 sedan system, and a 2008-2010 WRX sedan system are different parts, so check your year and model on the product page.

Is the RFL system a good daily-driver choice?

The RFL is the loud end of this range, based on its name and positioning in the TurboXS line. If your car is a daily driver, compare it with the standard-muffler and Touring options in this collection before deciding.

Does a cat-back exhaust require a tune?

A cat-back alone is mainly a sound and flow change behind the catalytic converter, but tuning needs depend on your full setup. If you are also changing downpipe or intake parts, check the requirements for those parts and your tuner before driving hard.

What does a pitch stop mount do?

It limits how much the engine and transmission pitch under acceleration and shifting. The TurboXS mounts here fit 2002-2014 WRX and WRX STI applications as listed; confirm colour and fitment on the product page.