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2004-2006 GTO

PRODUCTS
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STRUT TOWER BRACES

The factory at least gave us a strut tower brace for the new GTO but, unfortunately, it is little more than a cosmetic piece. The factory brace is made from thin wall 1" x .083" seamed tubing and does little to reinforce the strut towers. The BMR strut tower brace is made from 1-5/8" x .095" seamless tubing and uses heavy duty 3/16" mounting plates. Available in Black Hammertone or red powdercoat. Also available painted factory colors for an additional $40. NOTE: Some manual '05-'06 cars may require bending the clutch reservoir bracket for proper clearance.

STB007 '04-'06 Pontiac GTO $181.95


LIGHTWEIGHT SKID GUARD
 
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Remove almost 10 lbs. from the nose of your car with a BMR aluminum skid guard. Laser cut and CNC formed from .160" aluminum, our guard weighs 5.75 lbs. compared to 15 lbs. for the stock steel guard. Easy 15 minute installation. Shipped bare aluminum, powdercoating available for an additonal charge.

SG001 '04-'06 Pontiac GTO $124.95
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SUBFRAME CONNECTORS

BMR subframe connectors provide the ultimate in frame rigidity and add to the overall handling ability of the car. They are manufactured from 1.5" x 2" x .120" rectangular tubing and laser cut, 1/4" mounting and weld plates. The subframe connectors tie into 5 structural areas and provide 4 seperate weld points. The rear mount replaces the factory suspension cradle mount allowing full accessibility to the cradle after the subframe connectors have been installed. Available in Black Hammertone or red powdercoat.

SFC007 '04-'06 Pontiac GTO $439.95
 
 

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DRIVESHAFT SAFETY LOOP

Most tracks require driveshaft safety loops for ET's quicker than 12.99 in the quarter. Our NHRA legal safety loop welds onto the factory floorpan reinforcement and has locating holes for proper positioning. Two piece design allows installation without removing driveshaft and will fit driveshaft diameters up to 3.5". Available in Black Hammertone or red powdercoat. NOTE: Will not clear '05 resonator.

DSL009 '04 Pontiac GTO $99.95
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HARROP DIFFERENTIAL COVER WITH POLYURETHANE MOUNT

These custom differential covers stabilize the differential mount, reinforce the case, and provide better cooling with increased oil capacity. The factory rear mount is a very poor design. The entire rear cradle and suspension is mounted by two front bushings and one rear. The rear center mount attaches to the cover and is responsible for controlling movement and maintaining pinion angle. This improved rear mount spreads the load out over a greater area by using two bushings, each to the side of the cover. Less differential flex results in minimized wheelhop and quicker response to braking and acceleration. Simple bolt-on installation. NOTE: Although this cover clears OE exhaust, aftermarket exhaust systems may require modification.
DC 001 '04-'06 Pontiac GTO $369.95
OE vs. Harrop Comparison

 


 

HARROP REAR

CRADLE BUSHINGS

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Reduce wheelhop by firming up the rear suspension cradle. Harrops rear polyurethane cradle bushings are a direct replacement for the factory ruber bushings and install in less than 2 hours.

HBK001 '04-'06 Pontiac GTO $79.95 kit

 


 

DRAG BAGS
 
 
Does wheelhop plague your new GTO? This is a common side effect in independent rear suspensions caused by the inability to properly dampen vertical wheel movement with applied torque. Combine this with the minimal rear suspension travel of the new Goat and your bouncing off the bumpstops every time you stab the throttle. An easy solution to this is stiff rear spring rates, however ride quality then becomes an issue as well as excessive oversteer. The best solution is a set of BMR Drag Bags. This is an old solution to a relatively new problem. Spring rate can be altered by simply adding air (without effecting ride height) and ride quality remains un-effected when the bag is deflated. Fairly simple 2-3 hour installation time. NOTE: Works with OE springs only.
DB001 Drag Bag Kit $99.95 pr.

 


 

 
 

KONI ADJUSTABLE REAR SHOCKS

Koni makes one of the best sets of adjustable rear shocks for the late model GTO's. Valving adjustment can be done through the trunk by simply turning the supplied knob. Great handling mod and very useful in controlling wheelhop.
8041 1194SPORT Koni adjustable rear shocks $179.95 ea.

 


 

 
HEAVY DUTY DRIVESHAFTS

The factory driveshaft in the GTO is the weakest part of the entire driveline. It's a two piece design that is only 2 inches in diameter and uses rubber mounts instead of u-joints. Not only do the rubber mounts contribute to wheelhop, they are notorious for failing on even slightly modified 6 speed cars.

Our heavy duty driveshafts are a one-piece design that use forged 1350 series u-joints. Each driveshaft comes with a cryogenically frozen front yoke and a custom machined 300M billet pinion yoke adaptor (shown below). NOTE: Due to the physical size of this driveshaft, the factory exhaust may require some modification. Most aftermarket exhausts tested do not have clearance issues. Steel driveshafts not recommended for 6 speed cars. Driveshaft needs additional spacer if using Harrop Differential cover.

PART NUMBER DESCRIPTION HORSEPOWER RATING
MAX RPM RATING
PRICE
DS003 3.5" aluminum - rear yoke included 900 hp 7200 rpm $899.95
   
YK001 300M Billet Yoke adapter only $459.95

 
 

 


 

HEAVY DUTY CV SHAFTS
 
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OE CV axles typically won't fail because the driveshaft goes first. Once the driveshaft is upgraded, the CV's become the next weak link and typically break at the axles' transition on the shaft. A broken CV axle can cause thousands of dollars in damage before getting the car stopped. Don't risk it, our heavy duty CV axles use custom billet CV joints and 300M axle material. The axle itself is 1-3/8" diameter compared to the OE 1-1/16" and is capable of handling 800+ RWHP.
CV001 300M Axle Shaft with Billet CV's $499.95 ea.
 
OE vs. BMR Comparison

 


 

 
 

BILLET AXLE STUBS

The factory stub axles are fairly strong however they become the next weak link once the half shafts and driveshaft have been upgraded. Our heavy duty stub axles are made from 300M billet, the strongest axle material made, and come with an OE zinc finish to prevent rust.
AS001-L Billet Axle Stub - Driver Side $459.95 ea.
AS001-R Billet Axle Stub - Passenger Side $459.95 ea.

 


 

 
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AMERICAN RACING HEADERS

Headers and Exhaust Products

American Racing Headers new GTO systems are built to make a statement. Manufactured in all 304 stainless, these headers are available in 1-3/4" and 1-7/8" primaries. Merged collectors with scavenger spikes (see image below) are standard along with their bulletproof high-flow metallic substrate catalytic conveters. Systems are direct bolt-ons for all 2004-2006 models. Expect outstanding performance gains throughout the entire rpm range and second to none fit and finish.
1000 Headers only - 1-3/4" primary, 3 " collector $885
1001 Headers only - 1-7/8" primary, 3 " collector $895
1010 Exhaust connection pipes for 2004 models only (with catalytic converters) $435
1011 Exhaust connection pipes for 2004 models only (w/o catalytic converters - off-road use) $285
1012 Exhaust connection pipes for 2005/2006 models only (with catalytic converters) $435
1013 Exhaust connection pipes for 2005/2006 models only (w/o catalytic converters - off-road use) $285
1014 X-style 3" crossover for '04-'06 models (with catalytic converters) - NOTE: slight fabrication required $525
1015 X-style 3" crossover for '04-'06 models (w/o catalytic converters - off-road use) - NOTE: slight fabrication required $395

 


 

 

Headers and Exhaust Products

GTO: 2004-2006 Pontiac GTO
Kooks Custom Headers manufactures headers and exhaust systems for the 2004-2006 Pontiac GTO's. The headers are offered with either 1 3/4" or 1 7/8" primaries and 3" collectors. The connection pipes are also 3" and they are offered with or without Kooks high-flow metallic racing cats. Everything is made from 304 Stainless Steel and comes with a lifetime guarantee against cracking or rust.

6700/6702 1-3/4" x 3" headers with O2 extensions $923.59
6701/6703 1-7/8" x 3" headers with O2 extensions $943.47
6700-CC 2004 - 3" connection pipes with High flow metallic cats $423.77
6701-OC 2004 - 3" connection pipes for off-road use (no cats) $219.69
6702-CC 2005-2006 - 3" connection pipes with High flow metallic cats $423.77
6703-OC 2005-2006 - 3" connection pipes for off-road use (no cats) $219.69

 


 

NOLTEC BUSHINGS
 
 
The durability of polyurethane is superior to the rubber components used in your new GTO. Road salt, oil, and many other common under car contaminants will eventually destroy the rubber bushings on your vehicles, not to mention the weight and torque forces that typically compress most rubber permanently.
Polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently. Additionally, Noltec addresses other common GTO issues such as providing camber and caster adjustment that was otherwise unavailable.

N51233 Front Control Arm Inner Bushing $37.61
N52906
Heavy Duty Radius Rod (Control Arm) Bushings $49.64
N92350
Rear SubFrame Bushings $156.84
N42565 Strut Top Camber Bushings for OE strut $358.50
N42565S Strut Top offset camber adjustment Coil over platform only $304.18
N21999
Front Swaybar Endlink Bushings $19.95
N31467
Rear Shock Bushings $24.15
N52566 Front Control Arm inner bushing $47.94
N61309 Rear Control Arm inner bushing $83.21
N72043 Rear Spring Spacer 8mm $24.05

 


 

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FLAMING RIVER

BATTERY DISCONNECT

The lever kit allows for remote actuation of the Big Switch. The kit includes an 18" long, diameter aluminum threaded rod, T-handle, mounting bracket and necessary hardware. A "push off" decal is included. Accepted for IHRA/NHRA competition use. Click HERE for Big Switch features.
FR1003-2 Big Switch with Lever Kit $98.95

 

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