Manufacturer Reviews: American Racing X pipe, Review Date: 9/19/2012
ARH LongTubes 1 7/8 Primaries, 3 Merge Collectors, 3 X-Pipe (No Cats) Mustang 5.0 2011 V8
By: 5.0 Coyote Ownership: 1 month - 1 year
Review: Performance and looks is great. The package comes with everything you will need. However, the X pipe fitment leaves something to be desired. The X pipe fits in such a way that it dips or hangs lower than the rest of the exhaust. My local exhaust shop tried flipping it every way concievable and at best it hangs. Since my car is lowered it scrubs on everything. Looks like I will toss it out and build a custom X pipe. Current Mods / Car Accessories: Built short block, fully ported heads, Boss intake, 90mm Ford Racing throttle body, Stage 3 Comp Cams, Paxton Novi 2200 w/ 3.33" pulley, JPC return style fuel system, 80 lb/hr injectors, American Racing 1-7-8" headers w/3" X pipe, Magnaflow Competition catback, Mcleod RXT clutch, aluminum driveshaft, 4.56 gears, UPR upper & lower control arms, MT 28x12.5x 15 ET streets, Cobra Jet struts, shocks & springs, N2MB wide open throttle box & 2 step, plus much more.... 
ARH for Silverado SS 2003, Review Date: 9/14/2010
ARH LongTube 1-7/8 304-SS Headers for GM Trucks 1999-06 Full Size 6.0L / 5.3L / 4.3L with Cats
By: SSS Man Ownership: 1 day - 1 weekReview: They got them to me very fast and witb no problems what so ever. Did the installation my self and it was super easy to do. They are built exactly right for the vehical you choose. It makes the sound much deeper and more gutsy, plus the added MPG is great. Current Mods / Car Accessories: American racing headers and cats 
Awesome bolt on!, Review Date: 2/25/2010
ARH 2010-13 Camaro V6 LongTube Headers SHORT SYSTEM with Cats
By: mrray13 Ownership: 1 day - 1 weekReview: Wow, the quality, fit and finish of these headers is outstanding! I had JBA shorties on the car and had a best dyno of 253 rwhp and 239lb-ft of torque,+5rwhp and +8rwtq over baseline. The ARH headers/cats bolt on was another 10rwhp and 10lb-ft of torque! That's 15 plus over baseline in hp and 18 plus in torque! Not too bad, not too bad at all! These are quality parts by quality people! These are easier to install then the shorties too! Current Mods / Car Accessories: ARH long tubes, cats backe by Flowmaster Super 44 mufflers 
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