Spintech High Clow Cat's has anyone heard of these..and are they better than stock?

Discussion in 'Performance & Fuel' started by Rockstarrchevy81, May 18, 2011.

  1. Rockstarrchevy81

    Rockstarrchevy81 Rockstar 3 Years ROTM Winner 1000 Posts

    Hey guy's i been looking online and these are the cheapest High flow cat's i have found for $125 buck's and was wondering does anyone have these and are they better than the factory cat's i have on my silverado 5.3 V8 now? Anyone with answers will be needed!
     
  2. clgoch187

    clgoch187 Rockstar 4 Years 500 Posts

    your stock cats are high flows, and keep in mind that just cus its aftermarket doesnt mean its better. i had to replace the cats on my 03 cus they were melting inside and restricted flow but i got some walker oe style direct fit cats for $85 a piece from federated auto parts
     
  3. Rockstarrchevy81

    Rockstarrchevy81 Rockstar 3 Years ROTM Winner 1000 Posts

    Yeah man i will pass the cat's up until i need some for other reason's ha but i will be installing some long tube headers to go along with that x pipe,flowmaster 40 true dual muffler,and K&N air filter and should be running good
     

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