Designed specifically for CSF B58 and S58 high-performance manifolds, these Adaptor Plugs allow you to seamlessly install nitrous, water, or methanol injection systems right into each cylinder runner.
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This "No Limit" manifold is built for serious drag racers and enthusiasts aiming to surpass the 1500 WHP mark.
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Add some aesthetic charm to an otherwise humble X3M/X4M engine bay!
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Brand:
ES#:
4460647
Mfg#:
D590-0001
EO#:
D-176-55
Ships in 9 Business Days
ON SALE!
SAVE 10%
$849.99
This product was last offered at the strikethrough price on 07-31-2026
Max gains of up to +69 HP and +55 lb-ft TRQ (Crank); +60 HP and +49 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For Non-Competition models only!
Brand:
ES#:
4505886
Mfg#:
D440-0164
Ships in 9 Business Days
ON SALE!
SAVE 10%
$439.99
This product was last offered at the strikethrough price on 07-31-2026
Enables the control of a single electronic exhaust valve
Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
Features a durable billet aluminum construction that provides improved cooling and reduces heat soak. Cerakoted with thermal Dispersion
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Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.