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Knuckle Sandwich 400/400

Knuckle Sandwich 400/400
Click to enlarge
Price: $7,995.00
Availability: In Stock
Model: KS400400
Average Rating: Not Rated

Available Options:
Polish S472:
Year of truck:
Your Transmission Type:
Polish Manifold:
Cold Pipe Option:
Custom Colors:
Polish S485:

Knuckle Sandwich 400/400 race ready twin's


This setup packs a serious punch, with enough air to support 1450+hp!

  • s485/96/T6 5blade
  • s472/87/T4 5blade
  • Includes T4  manifold
  • great drivabilty on 6.4 and 6.7's


Stainless Diesel Compound Turbo Piping Kits are built with HIGH STRENGTH CNC'd flanges & aluminized mild steel piping, Tig welded and High quality Powder Coat if color option desired. Unlike some competitors who use rubber hose & plastic pipes - our twin kits are strong enough for 100lbs+ of boost anytime for many years! Our kits are known in the industry to be one of the best in fitment, as All kits are built off of an engine exact jig! All boots included are our very own 5layer extreme duty boots!

Included in this kit:

  • 5x12 High Flow S&B Airfilter w/ power cone
  • Braided Stainless Steel High Temp Oil Supply Lines
  • Oil supply line fittings
  • Oil drain lines
  • Oil drain gaskets
  • Optional Spring waste gate actuator for your S300
  • Turbo Studs
  • Turbo Mounting Nuts
  • V-Band Clamps
  • High Torque T-Bolt Clamps
  • 3" Bead-rolled Intercoolers Pipe
  • 3.5" 1pc. Cold Pipe w/ O-ring flange & bead rolled for maximum boot retention.  Also includes 1/8" NPT port (For easy boost reference).
  • 5" Air Cleaner Pipe
  • 5"  to 5.5" Silicon boot for airfilter pipe w/ clamps
  • 3.5" - 5.5" Silicone reducer w/ T-bolt clamps
  • Optional 4" or 5" Down Pipe
  • Hot Pipe utilizing our Short stretch technology, Heat insulated, CNC'd flanges for maximum Heat retention.
  • S400 High Strength Turbo mounting bracket
  • CNC'd T-4 1" Spacer
  • Water Relocation line w/ fittings
  • High Quality Powder Coat with personalized color Options
  • Installation instruction packet w/ pictures & drink koozie :)
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Knuckle Sandwich 400/400
Click to enlarge
Knuckle Sandwich 400/400
Click to enlarge
Knuckle Sandwich 400/400
Click to enlarge
Knuckle Sandwich 400/400
Click to enlarge
Knuckle Sandwich 400/400
Click to enlarge