Borla XR-1 muffler right off header collector
#1
Borla XR-1 muffler right off header collector
Can't decide between the XR-1 Sportsman Racing Muffler or the XR-1 Multicore Racing Muffler.
Which quiet's down the car the most?
Which quiet's down the car the most?
#2
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I think the oval ones do. The multicores are sold as systems I guess, not sure. I just ordered an XR-1 round to go just before my GMMG. It seems like the XR-1s are popular because of quality and sound. We'll see....