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2003 Subaru Impreza 2.5RS
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Hey yall
So currently my 2003 2.5rs is completely stock, and while I don’t want to go too crazy with engine modifications, considering that is a money pit with the N/A engines, I would like to upgrade my exhaust though to make it sound better. I do plan on making some handling modifications in the future, but I do have some worries about the exhaust modification, and I have read some conflicting information on wether a cat back may affect engine performance or reliability. I’m trying to make this car last as long as I can (it’s already got 140k miles lol) and I don’t want this to have any effect on the engine. Any info on this would be great
Thank you
 

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An axleback exhaust will be 100% safe and reliable for your car and produce 90% of the sound you're looking for. A catback is also perfectly safe and will not cause any issues as long as you don't delete the cat itself.
 
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