Compatible with car:
The Aggressive cat-back from Borla combines excellent workmanship with Borla's signature sound, and it's a great value. Plus, it's warranteed for a million miles! (After that, you're on your own.) All 304 stainless steel construction, with 2.5" mandrel-bent piping, a tasteful polished rolled tip, and a nice burble tone that's deep and authoritative. (We measured 85 db at idle, 97 db at 3,000 rpm.)
Need even higher flow capacity? The XR-1 system features full 3" mandrel-bent piping, and an XR-1 high-flow muffler.
Like all Borla systems, the front of this cat-back has a donut gasket receiver, so it's a perfect fit to your factory downpipe. If you want to attach it to an aftermarket flat-flange downpipe and have a full 3" system all the way through, purchase the 3" downpipe adapter accessory.
Fits all 2002-2007 WRX and STi.
Shipping Weight: 80.0 lb
Category: Cat-Back Exhaust Systems
Mach V Motorsports
45690 Elmwood Court, Suite 170
Hours (Eastern time)
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