Question:
will this fit a 4x4 crew cab
asked by: mike
Expert Reply:
Yes, the MagnaFlow Stainless Steel Cat-Back Exhaust System, item # MF16740, will fit your 2009 GMC Crew Cab pickup with a short bed and a 6.0 liter engine.
I spoke with my contact at Magnaflow and found that the cat-back systems are not affected by the 4 wheel drive because the catalytic converter is far enough back to avoid the transfer case and 4 wheel drive parts. No special mounting brackets or other parts are required.
expert reply by: Bob G

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Product Page this Question was Asked From
MagnaFlow Stainless Steel Cat-Back Exhaust System - Gas
Product Summary:
Cat-Back Exhaust
Gas
Rear Exit - Single - Curved - Passenger Side
Single
1
Product Specs:
Stainless Steel
3 Inch
4 Inch