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Discussion Starter #1
I have a 2013 Nissan Titan and would like to know what the best route would be to add bolt on horsepower and throttle response? I was thinking about putting Doug Thorley headers on it with the stock exhaust and tuning it with a bully programmer or something similar? Does anyone know if there is a intake manifold or throttle body aftermarket that would bring in some substantial HP increase? Any thoughts and suggestions would be greatly appreciated! Thank you
 

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2004 Titan SE 4x4 Big Tow
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An intake, headers, test pipes, a cat back, and a tune will probably be the best bang for your buck. Forced injection is nice, but the transmission and rear end likely won’t be happy with that much power.
 

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2012 SL, Texas Edition, Big Tow, Blizzard white, Tastefully modded (in my own expert opinion, lol)!
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I figured that I got close to 72 rwhp after three trips to uprev and that was before cams.
on the first tune I had Injun CAI ,JBA catback with a 22" maggie ( that was collapsed at time of tuning) 07+ intake. On second I had gone to Borla XR-1 ,TB mod UQ resonator 170 thermostat ,,But yes on the first tune I was not exactly stock! If i figured it from stock numbers I would have added close to 50 hp's just with bolt ons and uprev. so with 20% drivetrain loss stock 305 at flywheel goes to 244 rwhp could I have added 72 HP with just bolt ons and tuning????
 

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And I am sure that joe is right on with his 50 on hp on gains and it makes a difference as to 04-07 or 08 on up.
 

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My only regret with Headers and uprev was that I didn't do it sooner.
 
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Discussion Starter #12
An intake, headers, test pipes, a cat back, and a tune will probably be the best bang for your buck. Forced injection is nice, but the transmission and rear end likely won’t be happy with that much power.
where would I begin to look into forced injection?Is it a kit you can purchase or mechanic work that has to be done in shop?
 

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where would I begin to look into forced injection?Is it a kit you can purchase or mechanic work that has to be done in shop?
Just realized I mistyped, my apologies. I meant forced induction (not injection), examples of which include turbos and superchargers. These items use exhaust gas and engine power, respectively, to force more air down the throat of your engine. Putting any type of forced induction on a Titan (or really any vehicle) will cause the overall reliability of your truck to visit the nearest trash dump. There aren’t any kits that I’m aware of, and to get it done by a shop you’d better be best friends with the mechanics and owner as you will be paying them regular visits afterward. Be prepared to purchase a transmission and a rear end if you drive your truck with a turbski or a charger on it.

TL;DR: forced induction isn’t worth it. If you don’t have piles of cash, time, and patience don’t do it.
 

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I agree with Constable. Going FI on any vehicle is a major undertaking. I've been studying and planning for a supercharger on my Miata for 2 years. Yes, you really need to think it over that much! For modest boost that will keep the car semi-reliable, I'll need a new, stronger clutch, the supercharger itself, a new ECU, new full exhaust system and associated miscellaneous parts. Adding boost to a tiny 1.6 liter inline 4 will cost about $5-6K, and that's doing all the installation and tuning work myself. For a Titan that you want to keep on the road as a DD, just go with headers, exhaust, CIA and a tune, and call it done. If you're looking to turn your truck onto a track-only dragster, open your wallet and have fun!
 
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