| DYNO PROVEN TO PROVIDE THE LARGEST HORSEPOWER GAINS FOR YOUR 03-04 MACH I MUSTANG
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STRATEGY
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 4.6L 4V Mod Motor.
We have invested many hours evaluating and refining each of the 4.6L products on our 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.
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NEW Power Options, NEW Cooling Options, Increased Savings !
PYPES 409 STAINLESS 2½ crossover X-PIPE KITS 99-04 MUSTANG GT / Cobra / Mach-1


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Direct Replacement high flow catted crossover X-pipe
So what's the advantage of installing a Pypes 2½ high flow catted X-pipe over other available models?
Simply said, crossover X-pipes create more power and torque than traditional H-pipe or the so called "pro chamber" technology.
H-pipes no longer operate above 3000 rpm and become a non-functional component. Pypes crossover X-Pipe feature 2½ mandrel bent, 409 Stainless Steel pipe
designed to fit in the stock location. Flanges, mounting hardware, O2 sensor rings, reinforcement plates, air tubes and ball flare connections are all standard features
and are designed to fit both stock manifolds, short headers, automatic or standard transmission. Installation is quite simple and should take no more than 2 hours to complete.
| Direct Replacement High-Flow catted, off-road crossover X-pipe |
| Application / Description |
PYPES 409 STAINLESS 2½ CATTED crossover X-PIPE 99-04 Mustang V8 (all)
- 409 Stainless Steel 2½ mandrel bent pipe
- Stainless Premium substrate ceramic cats
- Fits automatic or standard transmission.
P/N PYPXFM36 $ 299.99 |
PYPES 409 STAINLESS 2½ OFFROAD crossover X-PIPE 99-04 Mustang V8 (all)
- 409 Stainless Steel 2½ mandrel bent pipe
- Stainless Premium substrate ceramic cats
- Fits automatic or standard transmission.
P/N PYPXFM16 $ 159.99 |
Ford Oxygen Sensor Simulators, 1 pair
P/N MTB003020 $ 79.95 |
Ford Oxygen Sensor Extensions, 1 pair
P/N MTB-003322 $ 39.95 |
Click-On Price to Order
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NOTE: For 2004, 02 sensors are relocated. Extensions are required.
PYPES STAINLESS 2½ VIOLATOR SERIES CAT-BACK 100% Stainless Direct Replacement Cat-back Exhaust Kits
What's the secret to the fast-rising popularity of Pypes exhaust systems and components?
Is it some proprietary design that allows a Pypes exhaust system to reduce restriction and increase power?
Is it a highly confidential equation that allows Pypes' mufflers to produce just the right combination of sound and performance? Maybe.
We think the real secret behind Pypes Performance Exhaust's success is that their systems and components offer
all the benefits of typical stainless steel systems. They resist corrosive gasses better than systems made from aluminized
steel or other materials, so they maintain their looks and last longer.
Simply Said; Pypes combines those benefits with a surprisingly affordable price and a lifetime warranty to make them the ultimate in exhaust system value.
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PYPES Cat-back Comparison Chart
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| System Components |
Pypes T-309 |
Magnaflow T-409 |
Bassani T-309 |
| Construction |
304 Polished Stainless |
409 Stainless |
304 Stainless |
| Technology |
Chambered Reversing |
Straight Thru |
Straight Thru |
| Muffler Sounds |
Choice of 3 Sounds |
Choice of 3 Sounds |
Choice of 2 Sounds |
| Muffler Flow |
495 CFM |
495 CFM |
495 CFM |
| System Price |
$369 - $399 |
$399 - $549 |
$699 - $759 |
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| 100% Stainless Steel Direct Replacement Cat-back Exhaust Kits |
| Part # |
Year |
Discription |
Price |
| PYPSFM27V |
98-04 Mustang GT 03-04 Mach-1 98 Cobra |
Pypes T-409 Stainless 2½ Violator Series Cat-Back- Polished Stainless Mandrel Bent Pipe
- Polished 2½ Stainless Violator Series Mufflers
- Polished 3½-inch Stainless Steel Tips
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$ 359.99 |
| PYPSFM16V |
96-97 Mustang GT 96-97 Cobra 94-95 Mustang GT |
Pypes T-409 Stainless 2½ Violator Series Cat-Back- Polished Stainless Mandrel Bent Pipe
- Polished 2½ Stainless Violator Series Mufflers
- Polished 3½-inch Stainless Steel Tips
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$ 359.99 |
| PYPSFM13V |
96-07 Mustang GT 79-93 Mustang LX 5.0L 79-93 Mustang GT 5.0L |
Pypes T-409 Stainless 2½ Violator Series Cat-Back- Polished Stainless Mandrel Bent Pipe
- Polished 2½ Stainless Violator Series Mufflers
- Polished 3.0"-inch Stainless Steel Tips
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$ 359.99 |
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Pypes 304 Stainless Steel Exhaust Hanger Kit- - 99-04 Mustang GT / V6
- - 94-98 Mustang Hanger Conversion
- - 99-04 (V6) with GT Cat-Back Conversion
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$ 39.99 |
Note: All 2004 SOHC and DOHC applications require O2-Sensor Extensions
Click-On Price to Order
Super High Flow Catalytic Converters
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Have you been looking for a true emissions legal catalytic converter and not just the easily found over priced OBD-II compatible catalytic converter? Have you been looking for a true emissions legal catalytic converter that would increase horsepower and torque along with keeping the
emissions at a legal level. Finally your search is over!
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These power packed mini converters are all T-409 stainless steel housing is small and compact for space and weight savings. Higher flow rates (as much as 54%) when compared to stock and most after market converters. All this performance weighs a mere 2.5 lbs and measure only 12” long.
Installed, they only take up 7” in length. The 3' design is rated at 4,500 lbs capacity. The seamless case makes for a sturdy converter that does not rattle. The stainless steel construction 409 mini catalytic
converters resist corrosion and extends the lifespan of the product.
Pypes mini cat-converters are EPA approved in all 50 States and C.A.R.B.
legal.The superior high-flow design is a must for all high performanve vehicles looking to improves performance and fuel mileage.
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| Universal 409 Stainless Mini Catalytic Converters |
| Part # / Description |
Price |
Pypes Stainless Mini-Cat #PYP-CVM13
T-409 Stainless Housing 3' Inside dia., 12'long 7' 50 States and C.A.R.B Legal |
$ 59.95 |
Pypes Stainless Mini-Cat #PYP-CVM10
T-409 Stainless Housing 2-½' Inside dia., 12'long 7' 50 States and C.A.R.B Legal |
$ 59.95 |
Click-On Price to Order
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 | Preformed Stainless Steel Exhaust Band Clamps
Made in the USA, Pypes patented stainless band clamps are great for applications that require frequent
un-installs. Smooth transition taper allows proper fit to seal expanded slip-fit connections. These are great for mufflers, tailpipes, merge pipe, and cat converter connections. Pypes Preformed Band Clamps are easy to install and disassemble sealing better than U-clamps and flat band clamps. The preformed band allows for the use of O.D. components (exhaust pipe) to I.D. components (muffler, converters).
Unique design won't crush pipes, assuring smoother exhaust flow. Pre-attached Grade 8 bolts included for easy installation.
Featuring
- Stainless steel material withstands high temperatures and provides better looks.
- Easier to install than competitive styles.
- Pre-attached hardware for easy installation.
- Grade 8 bolts for high temperature durability.
- Unique design won't crush pipes,
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| Universal 409 Stainless Mini Catalytic Converters |
| Part # |
Year |
Description |
Price |
| PYP-HVC13 |
All |
- Universal 3' 409 Stainless Steel Band Clamp
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$ 9.95 |
| PYP-HVC10 |
All |
- Universal 2-½" 409 Stainless Steel Band Clamp
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$ 9.95 |
Click-On Price to Order
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