4" downpipe install on a 6.0L
If you are getting ready to install a 4" downpipe on your 6.0L. You might want to check this out. While it can be done w/ no modifications to the firewall it helps if you make a little more room like the clip at the bottom of the post. Check out the clip to get a better understanding of what I am talking about! Again, you don't have to do this but it definetly helps!!
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Dave P's Truck: 2002 CCSB 6.5" ProComp lift w/ 5100 Bilsteins, Crower Rods, Balanced rotating, coated rod and main bearings, ARP Head and Main studs, Fire Ringed, ported heads, machined and coated Mahle pistons, AFE stg II, Stealth pumps, BD's w/ 0.008 EH tips, D2HP Inconel exhaust valves, D2HP custom pushrods, Custom HX50 bolted to Hmax pedistal, Suncoast Comp trans, Detriot Electrac's front and rear, D2HP transfer case and 1 piece 4" Al driveshaft.
Dave D's Truck: 2002 ECLB Built Ford Tough Package 6" DR lift kit, Bilstein 5100's, 36x15.50R20 MTZ's on 20x10 114 Eagle's, Randy Ellis Bar w/4 8" Stainless ProComp 130W Lights, Custom tunes from DP Tuner, 05 Harley front end, D2HP transfer case and 1 piece Al driveshaft.
Becky P's ride: 2002 Limited Excursion, DVD, heated seats, TS and DP tunes, Edge Juice & Attitude, Dual exhaust, Bilstein stock replacments, AFE.