Compression Ignition Addict
Join Date: Oct 2010
Location: DAMNED GEORGIA
Thanked 19 Times in 18 Posts
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Thanks for the replies. I'll have to look at my stock exhaust and see if I can identify where it restricts down to 3" after the DPF. Is replacing the downpipe worth the cost and effort? It sounds like a major pain to do.
The downpipe is before the DPF. It runs from the turbo to the underside of the truck.
I have never seen an official comparison between a turbo-back and downpipe-back system in terms of replacing the stocker with a 4" downpipe. I went the route of the downpipe back and I'm not looking back...
2015 F350 DRW Platinum, SCT X4, EDGE CTS2, aFe PDS, AirLift 5000 Ultimate & Wireless Air, Lund LED Bull Bar, RC Grille bar, B&W 5th Wheel, Stark LED Lighting
2010 F250, H&S Mini Maxx, aFe PDS, Diamond Eye 4", Pro Comp Nitro 2.5", Bilstein 5100, Westin Bull Bar, Bushwacker Pocket Style, B&W Slider, Firestone Ride-Rite, Fuel Hostage 20x10, Pioneer/Kicker/JL Audio
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