Ividia's new Q300 catback exhaust system for the 2008 +wrx combines the performance of all Invidia products with a stealth exhaust note. This system is much quieter than the N1 style exhaust, but does not sacrifice any power because of it. If you are looking for a top-quality catback that is quieter than the N1 series, this is the perfect choice.
Part Number: HS08SW5GT3
Note: Are you using a stock j pipe or downpipe? If yes, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046, is required.