Thenewsystemfitjustasniceasthefactorytailpipedidandlinedupperfectlywiththefactoryrubberhangers.Theexhaustsystemsensorwasthreadedintoplaceandthesuppliedclamp
tighteneddowntoholdit tothepreviouslycutstockpipe.
MBRPknowsit’simportanttokeepthoseexhaustexittemperaturesascoolaspossible,
solikethefactoryversion,thissystemis designedwithnotchescutintotheoutletpipeto
directoutsideairflowintotheexhauststream.Betweenthisandtheirtipdesign,wherethe
4-inchpipewillrunalmostthewholelengthinsidethe5-inchtips,youwon’thavetoworry
aboutdiscolorationofthepolishedstainlesstipsfromexcessiveheat.
Thosedual-rolled-edge,slant-cuttipsreallyfinishoffthelookonsucha beautifultruck.
Theexitpointlookssomuchbettercomingoutfromunderthefender(insteadofbelowthe
rearbumper),they’llcompletelychancetheoveralllookofyourtruck.
The2017+GMDuramaxtruckscreategreatpowerandtorqueinfactoryform,and
GMhasdonetheirabsolutebesttolockdowntheirEngineControlModulesothatthe
aftermarketcan’tcrackintoit.Thishasmadeaftermarkettuningoptionsverylimited.But
forthoseofyouthatwouldn’tminda littleextrapep,therearesomeoptions,suchasthe
Amp’dthrottlesensitivityboxfromEdgeProducts.
TheAmp’dboxisn’tanactualtunerthatwillincreasepower.Instead,bypiggybacking
intoyourthrottlepedal,it willremapthethrottleinputcurve,makingyoutapintothepower
alreadyonhanda littlesooneroffidle.Thiswillmakethetruckfeelmoreresponsiveand
torqueyonthelowendofthepowerband.
TECH SIMPLE BOLT-ONS FOR THE L5P DURAMAX
42 OCTOBER I 2019 • DIESEL WORLD http://www.dieselworldmag.com