Im about to throw my XL magnaflow on the saab, ill take before and after for you but idle shouldnt change much.
Im about to throw my XL magnaflow on the saab, ill take before and after for you but idle shouldnt change much.
2004 Avalanche pewter/black Cammed, Stalled, SOLD!
2009 Saab 9-7x Aero, Diamond Silver 1 of 21
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