I have an 01 1500 suburban w/5.3 and am lookng to buy an 05 2500 suburban w/8.1, I have a nice cat-back exaust on my 01, will it fit the 05 with the big block????? I would like to take it off the old truck and put it on the new one....Thanks

My initial guess would be no, as most likely the 8.1 would need a larger diameter pipe and larger muffler, but you never know. If you had the part # and brand of exhaust for your particular 5.3 burb it would help alot.
99 K1500 Suburban LT "THE BEAST"
5.7 K&N & True Dual Exhaust
Hypertech III
05 17" Silverado rims
99 LS 1500 5.3 "THE MULE"
Reg Cab Long Box
285/75/16E Dunlop Rover M/T
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Jason


It could be made to fit, but it wont be a direct bolt on swap.
You'll have to do some fabricating,
You'll be better off buying a new system specifically made for your new truck.
Tim
2011 Silverado 1500 LT
2008 HHR LT
1999 Tacoma SR5 TRD 4X4
1993 Jeep Wrangler
1991 Toyota Rock Crawler
2009 Harley Davidson Nightrain
2004 Harley Davidson FLHT "Bagger"
2003 Glastron GXL Bowrider

they have these things that make the mufflers inlet diameter bigger, but your better off with a new exhaust.
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
Won't fit, just spend the money and install a new one, most exhaust shops do not want to help you, they hate messing with old pipe![]()
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