RPM Outlet - We Take The Guesswork Out Of Performance Parts!
  DYNO PROVEN TO PROVIDE THE LARGEST HORSEPOWER GAINS FOR THE 05-08 MUSTANG 4.0L
How fast is our 05 GT? Click-here to find outSTRATEGY

In keeping with our goal of providing our customers with the best possible value, we have tested a large group of components specifically designed for the 4.0L V6 Mustang.

We have invested many hours evaluating and refining each of the 4.0L V6 Mustang products on our MD Chassis Dyno, to ensure that we could develop as much power as possible, as safely as possible.

The site menu on the left side of this page, lists the clear winners when it comes to “performance vs. dollar” value. Please check back often as we are always developing new ways to create more horsepower.




RPM Outlet is proud to announce the introduction of Our Dyno Tuned Options™
For the 05-08 4.0L v6 MUSTANG



Option A: STAGE I, BIG AIR / PULLEY KIT
(option revision date 05/01/08)

    Featuring Your Choice of Air Systems :

  • S&B FILTERS 8-LAYER FILTER
    Performance Intake Kit
    >>>>>-OR-
  • FIPK® Cold-Air Kit
    Featuring:

  • HardCore UnderDrive Pulley Kits (16+hp)

Dyno Proven Gains Of Up To:
21+ hp and 19+ lb-ft Torque Increase!
  Part# RPM-4046-A
priced as low as

Click-On Price to Order
Or View Optons

$ 399.99









3 air systems3 tuners
Option A

Option B: - STAGE II, BIG AIR / TUNER KIT
(option revision date 04/13/08)
UPGRADE OPTION :
*-add $150.00 for LIVEWIRE
    Featuring Your Choice of Intake Systems:
  • TRUEFLOW Cold-Air Kit
    >>>>>-OR-
  • S&B FILTERS 8-LAYER FILTER
    Performance Intake Kit
*UPGRADE OPTION:
Add $59.00 for: Your choice of Throttle-Body Spacers

Dyno Proven Gains Of Up To:
26+ hp and 21+ lb-ft Torque Increase!
  Part# RPM-4046-B
priced as low as

Click-On Price to Order
Or View Optons

$ 499.99







In stock Same Day Shipping     OPTION C : THE DRAG-LAUNCH KIT
(option revision date 05/18/08)

    Featuring:

  • Eibach Drag-Launch Spring Kit

  • LAKEWOOD Adj. Lower Control Arm kits

  • LAKEWOOD Adj. Upper Control Arm kit

  • LAKEWOOD Adjustable Panhard Bar Kit

UPGRADE OPTION :
*-add $120.00 for Rear End Girdle

Dyno Proven Gains Of Up To:
--+ hp and --+ lb-ft Torque Increase!
  Part# RPM-5461--C
priced as low as

Click-On Price to Order

$ 469.99








Pypes True-Dual System w/ Street-legal X-pipe
05-08 Ford Mustang 4.0L V6
(allows V6 owners to convert to a 50 state smog legal true-dual exhaust system)

in stock

100% Stainless True-Dual Converter Back Exhaust!

True-Dual stainless steel 2-½ inch converter back exhaust with 4-inch polished stainless steel tips

Now you can have the look and sound of the V-8 without the expensive muffler shop or over prices exhaust manufactures.

This is with out a doubt the most IMPRESSIVE sounding & highest HP Converter Back system available on the Market Today!!

Pypes Stainless True-Dual 2-½ inch converter back consists of their 2-½ emissions legal x-pipe with their 2-½ mandrel bent tail pipes, 4-inch polished stainless steel tips and all needed OEM quality clamps, hangers required to do a complete installation.

This kit is a direct replacement that converts your V6 mustang converter-back into an emissions legal True-Dual x-pipe, converter back exhaust system!

Installation of this kit is quite simple includes all of the special parts needed and should take no more than 2 hours to complete.


in stock
    Features:

  • Complete kit with detail installation instructions

  • Stainless mandrel-bent over axle pipe

  • Stainless X-Crossover pipe

  • 4" polished stainless steel tips

  • Pypes Street-PRO/Violator mufflers

  • Clamps, hangers and hardware

  • Slip-fit for ease of installation

  • 50 state smog legal

  • Everything needed to do the job!

Part # Year Part Description Price
  PYP-SFM68 05-08
    Pypes True-Dual System
  • Stainless Steel Street-PRO series mufflers (mild tone)
  • Stainless Steel Street-legal X-pipe, Mandrel-bent over-axle pipes
  • 4" polished stainless steel tips, clamps, hangers and hardware
$ 339.99
  PYP-SFM68V 05-08
    Pypes True-Dual System
  • Stainless Steel Violator series mufflers (agressive tone)
  • Stainless Steel Street-legal X-pipe, Mandrel-bent over-axle pipes
  • 4" polished stainless steel tips, clamps, hangers and hardware
$ 359.99
  PYP-SFM68VS 05-08
    Pypes True-Dual System T-304 Polished Stainless Steel
  • T-304 Polished Stainless Violator series mufflers (agressive tone)
  • Stainless Steel Street-legal X-pipe, Mandrel-bent over-axle pipes
  • 4" polished stainless steel tips, clamps, hangers and hardware
$ 399.99

Click-On Price to Order

NOTE:*All Pypes SFM68 Series Exhaust Kits have a $29.95 U.P.S. Heavy/Oversize package shipping fee.

FREE U.P.S. GROUND SHIPPING - * Continental U.S. Only

* Note : 07½ models require #PYP-HFM-60 hanger kit.





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