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Or Uses The Autometer 2244 Narrowband O2 Sensor
Borla manufactures these exhaust components in its own factory in the USA
NS3-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc
NS1-XTR6 kit features an Xtreme pressure plate for the most demanding driver
's advanced muffler technology delivers great sound outside the vehicle with no drone or resonance inside the vehicle
Borla 22-23 Silverado 1500 ZR2/GMC Sierra 1500 AT4X Cat-Back(tm) Exhaust System S-Type (140914) 1604 Or Uses The Autometer 2244This system features the classic BORLA(r) S Type sound level and turn down tailpipes. It was designed specifically for the Silverado 1500 ZR2 and Sierra 1500 AT4X and delivers great sound without any drone. Replace the small muffler behind the primary muffler in the BORLA(r) "S Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK(r)" sound level (louder than "S Type"). Optional "True Dual" Cat Back(r) system available, see the Related