Join Date: Aug 2011
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If you are talking about bungs in the exhaust....you absolutely do not need them if you are deleteing. As far as 4 or 5"...it's a personal choice...maybe do a search and see what folks think. Some like the 5" for better sound. I have a 4" system and I'm thoroughly satisfied. I had a 4" system on my 2002 D-Max...and was extremely happy with that. There are you tube videos out there where you can listen to the sound of each. Again, it's a personal choice...either one would be an upgrade over the DPF/SCT.
2011 F 350 Lariat Ultimate CC, SB 4x4 with 6.7 PowerStroke. Sterling Grey Metallic. Stock rims, tires. Shocks are Bilstein 5160's...what an upgrade over stock!
2013 PW Boss Mustang with aftermarket fully adjustable suspension, Team Dynamic 18"x10" race wheels and 305mm Continental race slicks at all four corners....O/R X pipe, 84.5mm TB, Airaid cai, 47 lb injectors...tuned by AED...Life is fun in this vehicle!